東北大学大学院理学研究科附属 地震・噴火予知研究観測センター 地震予知観測研究部
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論文リスト Last updated:
2017/10/30
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2017年

田中昌之・岡田正実・内田直希, 2017, 繰り返し回数の少ない繰り返し地震系列に対する長期的地震発生確率予測の成績と検証, 地震2, in press.

Yu, Y., D. Zhao, and J. Lei, Mantle transition zone discontinuities beneath the Tien Shan, Geophys. J. Int., 211, 80-92, 2017.

Zhao, D., Big mantle wedge, anisotropy, slabs and earthquakes beneath the Japan Sea, Phys. Earth Planet. Inter., 270, 9-28, 2017.

Zhao, D., Y. Isozaki, and S. Maruyama, Seismic imaging of the Asian orogens and subduction zones, J. Asian Earth Sci., 145, 349-367, 2017.

Hatakeyama, N., N. Uchida, T. Matsuzawa, and W. Nakamura, Emergence and disappearance of interplate repeating earthquakes following the 2011 M9.0 Tohoku-oki earthquake: Slip behavior transition between seismic and aseismic depending on the loading rate, J. Geophys. Res., 2017, in press.

Liu, X., and D. Zhao, P-wave anisotropy, mantle wedge flow and olivine fabrics beneath Japan, Geophys. J. Int., 210, 1410-1431, 2017.

Wang, J., D. Zhao, and Z. Yao, Seismic anisotropy evidence for dehydration embrittlement triggering intermediate-depth earthquakes, Scientific Reports, 7, 2613, doi:10.1038/s41598-017-02563-w, 2017.

Liu, X., and D. Zhao, Depth-varying azimuthal anisotropy in the Tohoku subduction channel, Earth Planet. Sci. Lett., 473, 33-43, 2017.

Hua, Y., D. Zhao, and Y. Xu, P-wave anisotropic tomography of the Alps, J. Geophys. Res., 122, 4509-4528, 2017.

Fan, J., D. Zhao, D. Dong, and G. Zhang, P-wave tomography of subduction zones around the central Philippines and its geodynamic implications, J. Asian Earth Sci., 146, 76-89, 2017.

Delbridge, B. G., S. Kita, N. Uchida, C. W. Johnson, T. Matsuzawa, and R. Bürgmann, Temporal variation of intermediate-depth earthquakes around the time of the M 9.0 Tohoku-oki earthquake, Geophys. Res. Lett., 44, 3580-3590, doi:10.1002/2017GL072876, 2017.

Wang, Z.W., D. Zhao, X. Liu, and X. Li, Seismic attenuation tomography of the source zone of the 2016 Kumamoto earthquake (M 7.3)., J. Geophys. Res., 122, 2988-3007, 2017.

Zhao, D., M. Fujisawa, and G. Toyokuni, Tomography of the subducting Pacific slab and the 2015 Bonin deepest earthquake (Mw 7.9), Scientific Reports, 7, 44487, doi:10.1038/srep44487, 2017.

Nomura, S., Y. Ogata, N. Uchida, and M. Matsu’ura, Spatiotemporal variations of interplate slip rates in northeast Japan inverted from recurrence intervals of repeating earthquakes, Geophys. J. Int., 208, 468-481, doi:10.1093/gji/ggw395, 2017.

Chen, C., D. Zhao, Y. Tian, S. Wu, A. Hasegawa, J. Lei, J. Park, and I. Kang, Mantle transition zone, stagnant slab and intraplate volcanism in Northeast Asia, Geophys. J. Inter., 209, 68-85, 2017.

Ding, Z., B. Cheng, Y. Dong, and D. Zhao, Seismic imaging of the crust and uppermost mantle beneath the Qilian orogenic belt and its geodynamic implications, Tectonophysics, 705, 63-79, 2017.

Wang, Z.W., D. Zhao, X. Liu, C. Chen, and X. Li, P and S wave attenuation tomography of the Japan subduction zone, Geochem. Geophys. Geosyst., 18, 1688-1710, 2017.

Hasegawa, A., and J. Nakajima, Seismic imaging of slab metamorphism and genesis of intermediate-depth intraslab earthquakes, Progress in Earth and Planetary Science, DOI: 10.1186/s40645-017-0126-9, 2017.

Ariyoshi, K., S. Nomura, N. Uchida, and T. Igarashi, A trial modeling of perturbed repeating earthquakes combined by mathematical statics, numerical modeling and seismological observations, Moment Tensor Solutions - A Useful Tool for Seismotectonics, 2017, in press.

Zhang, H., D. Zhao, J. Zhao, and Z. Hu, Internal deformation of lithosphere beneath central Tibet, J. Geophys. Res., 122, 7329-7342, 2017.

Niu, X., D. Zhao, and J. Li, Precise relocation of low-frequency earthquakes in Northeast Japan: New insight into arc magma and fluids, Geophys. J. Int., 2017, in press.

Yu, Z., D. Zhao, X. Niu, and J. Li, Spatiotemporal distribution of low-frequency earthquakes in Southwest Japan: Evidence for fluid migration and magmatic activity, J. Asian Earth Sci., 2017, in press.

2016年

Nakajima, J. , and A. Hasegawa, Tremor activity inhibited by well-drained conditions above a megathrust, Nature Communications, 7, doi:10.1038/ncomms13863, 2016.

Yoshida, K., A. Hasegawa, and T. Okada, Heterogeneous stress field in the source area of the 2003 M6.4 Northern Miyagi Prefecture, NE Japan, earthquake , Geophys. J. Int., 206, 408-419, 2016.

Nakamura, W., N. Uchida, and T. Matsuzawa, Spatial distribution of the faulting types of small earthquakes around the 2011 Tohoku-oki earthquake: A comprehensive search using template events, J. Geophys. Res., 121, doi:10.1002/2015JB012584, 2016.

Burgmann, R., N. Uchida, Y. Hu, and T. Matsuzawa, Tohoku rupture reloaded?, Nature Geoscience, 9, 183-184, 2016.

Hu, Y., R. Burgmann, N. Uchida, P. Banerjee, and J. T. Freymueller, Stress-driven relaxation of heterogeneous upper mantle and time-dependent afterslip following the 2011 Tohoku earthquake, J. Geophys. Res., 121, doi:10.1002/ 2015JB012508, 2016.

Uchida, N., T. Iinuma, R. M. Nadeau, R. Bürgmann, and R. Hino, Periodic slow slip triggers megathrust zone earthquakes in northeastern Japan, Science, 351, 488-492, doi:10.1126/science.aad3108, 2016.

Uchida, N., S. Kirby, N. Umino, R. Hino, and T. Kazakami, The great 1933 Sanriku-oki earthquake: reappraisal of the mainshock and its aftershocks and implications for its tsunami using regional tsunami and seismic data, Geophys. J. Int., 206, 1619-1633, 2016.

Hatakeyama, N., N. Uchida, T. Matsuzawa, T. Okada, J. Nakajima, T. Matsushima, T. Kono, S. Hirahara, and T. Nakayama, Variation in high-frequency wave radiation from small repeating earthquakes as revealed by cross-spectral analysis, Geophys. J. Int., 207, 1030-1048, doi: 10.1093/gji/ggw313, 2016.

Uchida, N., Y. Asano, and A. Hasegawa, Acceleration of regional plate subduction beneath Kanto Japan, after the 2011 Tohoku-oki earthquake, Geophys. Res. Lett., 43, 9002-9008, doi:10.1002/2016GL070298, 2016.

Yoshida, K., A. Hasegawa, and T. Yoshida, Temporal variation of frictional strength in an earthquake swarm in NE Japan caused by fluid migration, J. Geophys. Res., DOI: 10.1002/2016JB013022, 2016, in press.

Yoshida, K., A. Hasegawa, T. Saito, Y. Asano, S. Tanaka, K. Sawazaki, Y. Urata, and E. Fukuyama, Stress rotations due to the M6.5 foreshock and M7.3 mainshock in the 2016 Kumamoto, SW Japan, earthquake sequence, Geophys. Res. Lett., 2016, in press.

2015年

Mavrommatis, A., P. Segall, N. Uchida, and K. Johnson, Long-term acceleration of aseismic slip preceding the Mw 9 Tohoku-oki earthquake: Constraints from repeating earthquakes, Geophys. Res. Lett., 42, 9717-9725, doi:10.1002/2015GL066069, 2015.

Wada, I., J. He, A. Hasegawa, and J. Nakajima, Mantle wedge flow pattern and thermal structure in northeast Japan: Effects of oblique subduction and 3-D slab geometry, Earth Planet. Sci. Lett., 426, 76-88, 2015.

Hasemi, A., Miura, H., Ishizawa, M., Kosuga. M., Umino, N., and Hasegawa, A., Crustal structure in and around the Onikobe geothermal area, northeastern Honshu, Japan, inferred from the spatial variation of coda decay, Phys. Earth Planet. Inter., 244, 23-31, 2015.

Matsukage, K.N., Y. Nishihara, F. Noritake, K. Kawamura, N. Tsujino, M. Sakurai, J. Nakajima, A. Hasegawa, and E. Takahashi, Elastic wave velocity anomalies of anorthite in subducting plate: In situ experiments, American Mineralogist, 100, 1856-1865, 2015.

Saita, H., J. Nakajima, T. Shiina, and J-I. Kimura, Slab-derived fluids, fore-arc hydration, and sub-arc magmatism beneath Kyushu, Japan, Geophys. Res. Lett., 42, 1685-1693, 2015.

Sawazaki, K., H. Kimura, K. Shiomi, N. Uchida, R. Takagi, and R. Snieder, Depth-dependence of seismic velocity change associated with the 2011 Tohoku earthquake, Japan, revealed from repeating earthquake analysis and finite-difference wave propagation simulation, Geophys. J. Int., 201, 741-763, 2015.

Okada, T., T. Matsuzawa, N. Umino, K. Yoshida, A. Hasegawa, H. Takahashi, T. Yamada, M. Kosuga, T. Takeda, and A. Kato, T. Igarashi, K. Obara, S. Sakai, A. Saiga, T. Iidaka, T. Iwasaki, N. Hirata, N. Tsumura, Y. Yamanaka, T. Terakawa, H. Nakamichi, T. Okuda, S. Horikawa, H. Katao, T. Miura, A. Kubo, T. Matsushima, K. Goto, H. Miyamachi, Hypocenter migration and crustal seismic velocity distribution observed for the inland earthquake swarms induced by the 2011 Tohoku-Oki earthquake in NE Japan: implications for crustal fluid distribution and crustal permeability, Geofluids, 15, 293-309, 2015.

Tanaka Y., T. Sato, Y. Ohta, S. Miura, J.T.Freymueller, and V. Klemann, The effects of compressibility on the GIA in southeast Alaska, J. Geodynamics, 84, 55-61, 2015.

Uchida, N., K. Shimamura, T. Matsuzawa, and T. Okada, Postseismic response of repeating earthquakes around the 2011 Tohoku-oki earthquake: Moment increases due to the fast loading rate, J. Geophys. Res., 120, 259-274, doi:10.1002/2013JB010933, 2015.

Nakajima, J., and G.A. Abers, Subduction Zone: Seismicity and Arc Magmatism, Encyclopedia of Complexity and Systems Science, 2015, in press.

Yoshida, K., A. Hasegawa, and T. Okada, Spatial variation of stressorientations in NE Japan revealed by dense seismic observations, Tectonophysics, doi: 10.1016/j.tecto.2015.02.013, 2015.

Yoshida, K., A. Hasegawa, and T. Okada, Spatially heterogeneous stress field in the source area of the 2011 Mw6.6 Fukushima-Hamadori earthquake, NE Japan, probably caused by static stress change, Geophys. J. Int., 201, 1060–1069, 2015.

Hasegawa, A., and Yoshida, K., Preceding seismic activity and slow slip events in the source area of the 2011 Mw 9.0 Tohoku-Oki earthquake: a review, Geoscience Letters, 2:6, 2015.

Nakajima, J., A. Kato, T. Iwasaki, and The Research Group for the Joint Seismic Observations at the Nobi Area, The weakened lower crust beneath the Nobi fault system, Japan: Implications for stress accumulation to the seismogenic zone, Tectonophysics, 2015, in press.

2014年

Ariyoshi,K., N. Uchida, T. Matsuzawa, R. Hino, A. Hasegawa, T. Hori, and Y. Kaneda, A trial estimation of frictional properties, focusing on aperiodicity off Kamaishi just after the 2011 Tohoku earthquake, Geophys. Res. Lett., 41, 8325-8334, 2014.

Takagi, R., H. Nakahara, T. Kono, and T. Okada, Separating body and Rayleigh waves with cross terms of the cross-correlation tensor of ambient noise, J. Geophys. Res., 119, 2006-2018, 10.1002/2013JB010824, 2014.

Satriano, C., V. Dionicio, H. Miyake, N. Uchida, J.-P. Vilotte, and P. Bernard, Structural and thermal control of seismic activity and megathrustrupture dynamics in subduction zones: Lessons from the Mw 9.0, 2011 Tohoku earthquake, Earth Planet. Sci. Lett., 403, 287-298, doi:10.1016/j.epsl.2014.06.037, 2014.

Kimura, J-I., and J. Nakajima, Behaviour of subducted water and its role in magma genesis in the NE Japan arc: A combined geophysical and geochemical approach, Geochim. Cosmochim. Acta, 143, 165-188, 2014.

Sano, Y., T. Hara, N. Takahata, S. Kawagucci, M. Honda, Y. Nishio, W. Tanikawa, A. Hasegawa, and K. Hattori, Helium anomalies suggest a fluid pathway from mantle to trench during the 2011 Tohoku-Oki earthquake, Nature Communications, 5, doi:10.1038/ncomms4084, 2014.

Nakajima, J., Seismic attenuation beneath Kanto, Japan: Evidence for high attenuation in the serpentinized subducting mantle, Earth Planets Space, 66, 12, doi:10.1186/1800-5981-66-12, 2014.

K. Ariyoshi, R. Nakata, T. Matsuzawa, R. Hino, T. Hori, A. Hasegawa, and Y. Kaneda, The detectability of shallow slow earthquakes by the Dense Oceanfloor Network system for Earthquakes and Tsunamis (DONET) in Tonankai district, Japan, Mar Geophys Res, 35, 295-310, 2014.

Kimura, J-I., J. Gill, T. Kunikiyo, I. Osaka, Y. Shimoshioiri, M. Kakasuke, S. Kakubuchi, T. Nagao, K. Fukuyama, and A. Kamei, H. Kawabata, J. Nakajima, P.E. van Keken, R.J. Stern, Diverse magmatic effects of subducting a hot slab in SW Japan: results from forward modeling, Geochem. Geophys. Geosys, 15, 691-739, 2014.

Ariyoshi, K., T. Matsuzawa, R. Hino, A. Hasegawa, T. Hori, R. Nakata, and Y. Kaneda, A trial derivation of seismic plate coupling by focusing on the activity of shallow slow earthquakes, Earth Planets Space, 66:55, doi:10.1186/1880-5981-66-55, 2014.

Yoshida, K., A. Hasegawa, T. Okada, H. Takahashi, M. Kosuga, T. Iwasaki, Y. Yamanaka, H. Katao, Y. Iio, and A. Kubo, T. Matsushima, H. Miyamachi, Y. Asano, Pore pressure distribution in the focal region of the 2008 M7.2 Iwate-Miyagi Nairiku earthquake, Earth Planets Space, 66:59, doi:10.1186/1880-5981-66-59, 2014.

Matsuzawa, T., The largest earthquakes we should prepare for, J. Disaster Res., 9, 248-251, 2014.

Okada, T., T. Matsuzawa, J. Nakajima, N. Uchida, M. Yamamoto, S. Hori, T. Kono, T. Nakayama, S. Hirahara, and A. Hasegawa, Seismic velocity structure in and around the Naruko volcano, NE Japan, and its implications for volcanic and seismic activities, Earth Planets Space, 66, 114, 10.1186/1880-5981-66-114, 2014.

Kita, S., J. Nakajima, A. Hasegawa, T. Okada, K. Katsumata, Y. Asano, and T. Kimura, Detailed seismic attenuation structure beneath Hokkaido, northeastern Japan: Arc-arc collision process, arc magmatism, and seimotectonics, J. Geophys. Res., 119, 6486-6511, 2014.

Yoshida, K., A. Hasegawa, T. Okada, and T. Iinuma, Changes in the stress field after the 2008 M7.2 Iwate-Miyagi Nairiku earthquake innortheastern Japan, J. Geophys. Res., 119, 9016-9030, 2014.

Fukuda, J., A. Kato, K. Obara, S. Miura, and T. Kato, Imaging of the early acceleration phase of the 2013–2014 Boso slow slip event, Geophys. Res. Lett., 41, 7493-7500, doi:10.1002/2014GL061550, 2014.

Sun, T., K. Wang, T. Iinuma, R. Hino, J. He, H. Fujimoto, M. Kido, Y. Osada, S. Miura, and Y. Ohta and Y. Hu, Prevalence of viscoelastic relaxation after the 2011 Tohoku-oki earthquake, Nature, 514, 84-87, 2014.

2013年

Ito, Y., R. Hino, M. Kido, H. Fujimoto, Y. Osada, D. Inazu, Y. Ohta, T. Iinuma, and M. Ohzono, S. Miura, M. Mishina, K. Suzuki, T. Tsuji, J. Ashi, Episodic slow slip events in the Japan subduction zone before the 2011 Tohoku-Oki earthquake, Tectonophysics, 600, 14-26, 2013.

Nakajima, J., S. Hada, E. Hayami, N. Uchida, A. Hasegawa, S. Yoshioka, T. Matsuzawa, and N. Umino, Seismic attenuation beneath northeastern Japan: Constraints on mantle dynamics and arc mgmatism, J. Geophys. Res., 118, 5838-5855, 2013.

Yoshida, T・J. Kimura・R. Yamada・V. Acocella・H. Sato・D. Zhao・J. Nakajima・A. Hasegawa・T. Okada・S. Honda, M. Ishikawa, O. D. A. Prima, T. Kudo, B. Shibazaki, A. Tanaka, T. Imaizumi, 2013, Evolution of late Cenozoic magmatism and the crust−mantle structure in the NE Japan Arc, Geological Society, London, Special Publications, doi 10.1144/SP385.15.

Yoshioka, S., Y. Suminokura, T. Matsumoto, and J. Nakajima, Two-dimensional thermal modeling of subduction of the Philippine Sea plate beneath southwest Japan, Tectonophysics, 608, 1094-1108, 2013.

Nakajima, J., K. Yoshida, and A. Hasegawa, An intraslab seismic sequence activated by the Tohoku-oki earthquake: Evidence for fluid-related embrittlement, J. Geophys. Res., 118, 3492-3505, 2013.

Nakao, S., Y. Morita, H. Yakiwara, J. Oikawa, H. Ueda, H. Takahashi, Y Ohta, T. Matsushima, and M. Iguchi, Volume change of the magma reservoir relating to the 2011 Kirishima Shinmoe-dake eruption – Charging, discharging and recharging process inferred from GPS measurements, Earth Planets Space, 65, 505-515, 2013.

Shiina T., J. Nakajima, and T. Matsuzawa, Seismic evidence for high pore pressure in the oceanic crust: Implications for fluid-related embrittlement, Geophys. Res. Lett., 40, 2006-2010, doi:10.1002/grl.50468, 2013.

Nakajima, J., N. Uchida, T. Shiina, A. Hasegawa, B.R. Hacker, and S.H. Kirby, Intermediate-depth earthquakes facilitated by eclogitization-related stresses, Geology, 41, 659-662, 2013.

Hasegawa, A. , J. Nakajima, T. Yanada, N. Uchida, T. Okada, D. Zhao, T. Matsuzawa, and N. Umino, Complex slab structure and arc magmatism beneath the Japanese Islands, Journal of Asian Earth Sciences, 78, 277-290, 2013.

Iguchi, M., T. Tameguri, Y. Ohta, S. Ueki, and S. Nakao , 2013, Characteristics of volcanic activity at Sakurajima volcano’s Showa crater during the period 2006 to 2011, 火山, 58, 115-135.

Abers, G.A., J. Nakajima, P.E. van Keken, S.. Kita, and B.R. Hacker, Thermal-petrological controls on the location of earthquakes within subducting plates, Earth Planet. Sci. Lett., 369-370, 178-187, 2013.

長谷川昭・中島淳一・内田直希・海野徳仁, 2013, 東京直下に沈み込む2枚のプレートと首都圏下の特異な地震活動, 地学雑誌, 122, 398-417.

Uchida, N., and T. Matsuzawa, Pre- and post-seismic slow slip surrounding the 2011 Tohoku-oki earthquake rupture, Earth Planet. Sci. Lett., 374, 81-91, doi:10.1016/j.epsl.2013.05.021, 2013.

Umeda, K., Kusano, T., A. Ninomiya, K. Asamori, and J. Nakajima, Spatial variations in 3He/4He ratios along a high strain rate zone, central Japan, J. Asian Earth Sci., 73, 95-102, 2013.

Huang, Z., D. Zhao, A. Hasegawa, N. Umino, J. Park, and I. Kang, Aseismic deep subduction of the Philippine Sea plate and slab window, J. Asian Earth Sci., 75, 82-94, 2013.

Suzuki, Y., T. Shiina, J. Kawahara, T. Okamoto, and K. Miyashita, Simulations of P-SV wave scattering due to cracks by the 2-D finite difference method, Earth Planets Space, 65, 1425-1439, doi:10.5047/eps.2013.06.008, 2013.

山本淳平・長田幸仁・太田雄策・平原 聡・出町知嗣・中山貴史・立花憲司・佐藤俊也・木戸元之・藤本博己, 日野亮太, 三浦 哲, 内田雅之, 2013, 衛星通信を活用したリアルタイムGPS解析 -地上通信障害時に地殻変動を実時間で把握するために-, 測地学会誌, 59, 133-145.

Nagao, H., T. Higuchi, S. Miura, and D. Inazu, Time-Series Modeling of Tide Gauge Records for Monitoring of the Crustal Activities Related to Oceanic Trench Earthquakes Around Japan, Computer Journal, 56, 355-364, 2013.

2012年

Goto, H., Y.Yamamoto, and S. Kita, Dynamic rupture simulation of the 2011 off the Pacific coast of Tohoku Earthquake: Multi-event generation within dozens of seconds, Earth Planets Space, 64, doi:10.5047/eps.2012.06.002, 2012.

Hayashida, T., F. Tajijma, J. Nakajima, and J. Mori, 3D Seismic Wave Speed Model in Southwestern Japan from Combined Use of Waveform Modeling and Travel-Time Tomography, J. Geophys. Res., 117, B11305, doi:10.1029/2012JB009345, 2012.

Takagi, R., and T. Okada, Temporal change in shear velocity and polarization anisotropy related to the 2011 M9.0 Tohoku-Oki earthquake examined using KiK-net vertical array data, Geophys. Res. Lett., 39, doi:10.1029/2012GL051342, 2012.

Ito, T., E. Gunawan, F. Kimata, T. Tabei, I. Meilano, A. Agusutan, Y. Ohta, I. Nurdin, and D. Sugiyanto, Isolating along-strike variations in the depth extent of shallow creep and fault locking on the northern Great Sumatran Fault, J. Geophys. Res., 117, B06409, doi:10.1029/2011JB008940, 2012.

Ohzono, M., Y. Ohta, T. Iinuma, S. Miura, and J. Muto, Geodetic evidence of viscoelastic relaxation after the 2008 Iwate-Miyagi Nairiku earthquake, Earth Planets Space, 64, 759-764, doi:10.5047/eps.2012.04.001, 2012.

Yoshida, K., A. Hasegawa, T. Okada, T. Iinuma, Y. Ito, and Y. Asano, Stress before and after the 2011 Great Tohoku-oki earthquake, and induced earthquakes in inland areas of eastern Japan, Geophys. Res. Lett., 39, doi:10.1029/2011GL049729, 2012.

Uchida, N., T. Matsuzawa, W. L. Ellsworth, K. Imanishi, K. Shimamura, and A. Hasegawa, Source parameters of microearthquakes on an interplate asperity off Kamaishi, NE Japan over two earthquake cycles, Geophys. J. Int., 189, 999-1014, 2012.

Rubinstein, J. L., W. L. Ellsworth, K. H. Chen, and N. Uchida, Fixed recurrence and slip models better predict earthquake behavior than the time- and slip-predictable models: 1. Repeating earthquakes, J. Geophys. Res., 117, doi:10.1029/2011JB008724, 2012.

長谷川昭・中島淳一・内田直希・梁田高広・岡田知己・趙 大鵬・松澤 暢・海野徳仁, 2012, 沈み込み帯の地震の発生機構−地殻流体に規定されて発生する沈み込み帯の地震, 地学雑誌, 121, 128-160.

Omuralieva, A., A. Hasegawa, T. Matsuzawa, J. Nakajima, and T. Okada, Lateral variation of the cutoff depth of shallow earthquakes beneath the Japan Islands and its implications for seismogenesis, Tectonophysics, 518-521, 93–105, 2012.

Ohta, Y., T. Kobayashi , H. Tsushima, S. Miura, R. Hino, T. Takasu, H. Fujimoto, T. Iinuma, and K. Tachibana, T. Demachi, T. Sato, M. Ohzono, N. Umino, Quasi real-time fault model estimation for near-field tsunami forecasting based on RTK-GPS analysis: Application to the 2011 Tohoku-Oki Earthquake (Mw 9.0), J. Geophys. Res., 117, B02311, doi:10.1029/2011JB008750 , 2012.

小林竜也・太田雄策・三浦哲・日野亮太・藤本博己・出町知嗣・立花憲司, 2012, 隣接観測点の情報を用いたRTK-GPSによる地震時永久変位自動検知アルゴリズムの改良, 測地学会誌, 58, 77-87.

Okada, T., Umino, N., Hasegawa, A., and Group for the aftershock observations of the Iwate-Miyagi Nairiku Earthquake in 2008, Hypocenter Distribution and Heterogeneous Seismic Velocity Structure in and around the Focal Area of the 2008 Iwate-Miyagi Nairiku Earthquake, NE Japan - Possible Seismological Evidence for a Fluid Driven Compressional Inversion Earthquake, Earth Planets Space, 64, 717-728, 2012.

Takagi, R., T. Okada, H. Nakahara, N. Umino, and A. Hasegawa, Coseismic velocity change in and around the focal region of the 2008 Iwate-Miyagi Nairiku earthquake, J. Geophys. Res., 117, doi:10.1029/2012JB009252 , 2012.

Zhao, D., T. Yanada, A. Hasegawa, N. Umino, and W. Wei, Imaging the subducting slabs and mantle upwelling under the Japan Islands, Geophys. J. Int., 190, 816-828, 2012.

Ohta, Y., R. Hino, D. Inazu, M. Ohzono, Y. Ito, M. Mishina, T. Iinuma, J. Nakajima, Y. Osada, and H. Fujimoto, K. Tachibana, T. Demachi, S. Miura, Geodetic constraints on afterslip characteristics following the March 9, 2011, Sanriku-oki earthquake, Japan, Geophys. Res. Lett., 39, L16304, doi:10.1029/2012GL052430, 2012.

Ariyoshi, K., T. Matsuzawa, Jean-Paul Ampuero, R. Nakata, T. Hori, Y. Kaneda , R. Hino, and A. Hasegawa, Migration process of very low-frequency events based on a chain-reactionmodel and its application to the detection of preseismic slip, Earth Planets Space, 64, 693-702, 2012.

Okada, M., N. Uchida, and S. Aoki , Statistical forecasts and tests for small interplate repeating earthquakes along the Japan Trench , Earth Planets Space, 64, 703-715, 10.5047/eps.2011.02.008, 2012.

Hasegawa, A, K. Yoshida, Y. Asano, T. Okada, T. Iinuma, and Y. Ito, Change in stress field after the 2011 great Tohoku-oki earthquake, Earth Planet. Sci. Lett., 355–356, 231–243, doi:10.1016/j.epsl.2012.08.042, 2012.

van Keken, P.E., S. Kita, and J. Nakajima, Thermal structure and intermediate-depth seismicity in the Tohoku-Hokkaido subduction zones, Solid Earth, 3, 355-364, 2012.

Ito, Y., K. Shiomi, J. Nakajima, and R. Hino, Autocorrelation analysis of ambientg noise in northeastern Japan subduction zone, Tectonophysics, 572-573, 38-46, 2012.

Ohzono, M., Y. Yabe, T. Iinuma, Y. Ohta, S. Miura, K. Tachibana, T. Sato, and T. Demachi, Strain anomalies induced by the 2011 Tohoku Earthquake (M-w 9.0) as observed by a dense GPS network in northeastern Japan , Earth Planets Space, 64, 1231-1238, 2012.

Kita, S., A. Hasegawa, J. Nakajima, T. Okada, T. Matsuzawa, and K. Katsumata, High-resolution seismic velocity structure beneath the Hokkaido corner, northern Japan: Arc-arc collision and origins of the 1970 M 6.7 Hidaka and 1982 M 7.1 Urakawa-oki earthquakes, J. Geophys. Res., 117, doi:10.1029/2012JB009356, 2012.

Sato, T., S. Miura, W. Sun, T. Sugano, J.T. Freymueller, C. F. Larsen, Y. Ohta, H. Fujimoto, D. Inazu, and R. J. Motyka, Gravity and uplift rates observed in southeast Alaskaand their comparison with GIA model predictions, J. Geophys. Res., 117, doi:10.1029/2011JB008485, 2012.

2011年

Shibazaki, B.・T. Matsuzawa・A. Tsutsumi・K. Ujiie・A. Hasegawa・Y. Ito, 2011, 3D modeling of the cycle of a great Tohoku‐oki earthquake, considering frictional behavior at low to high slip velocities, Geophys. Res. Lett., 38, doi:10.1029/2011GL049308.

Okada, T., K. Yoshida, S. Ueki, J. Nakajima, N. Uchida, T. Matsuzawa, N. Umino, A. Hasegawa, and Group for the aftershock observations of the 2011 off the Pacific coast of Tohoku Earthquake, Shallow inland earthquakes in NE Japan possibly triggered by the 2011 off the Pacific coast of Tohoku Earthquake, Earth Planets Space, 63 (No. 7), 749-754, doi:10.5047/eps.2011.06.027, 2011.

Zhao, D., Z. Huang, N. Umino, A. Hasegawa, and T. Yoshida, Seismic imaging of the Amur-Okhotsk plate boundary zone in the Japan Sea, Phys. Earth Planet. Inter, 188, 82-95, 2011.

Zhao, D., Z. Huang, N. Umino, A. Hasegawa, and H. Kanamori, Structural heterogeneity in the megathrust zone and mechanism of the 2011 Tohoku-oki earthquake (Mw 9.0), Geophys. Res. Lett., 38, L17308, doi:10.1029/2011GL048408, 2011.

Nakajima, J., A. Hasegawa, and F. Hirose, Stress regime in the Philippine Sea slab beneath Kanto, Japan, Geophys. Res. Lett., 38, L00G06, doi:10.1029/2011GL048432, 2011.

Iinuma, T., M. Ohzono, Y. Ohta, and S. Miura, Coseismic slip distribution of the 2011 off the Pacific coast of Tohoku Earthquake (M 9.0) estimated based on GPS data - Was the asperity in Miyagi-oki ruptured?, Earth Planets Space, 63, 643-648, doi:10.5047/eps.2011.06.013, 2011.

Sato, T., C. F. Larsen, S. Miura, Y. Ohta, H. Fujimoto, W. Sun, R. J. Motyka, and J. T. Freymueller, Reevaluation of the viscoelastic and elastic responses to the past and present-day ice changes in Southeast Alaska, Tectonophysics, 511, 79-88, doi:10.1016/j.tecto.2010.05. 009, 2011.

Ohzono, M., T. Sagiya, K. Hirahara, M. Hashimoto, A. Takeuchi, Y. Hoso, Y. Wada, F. Ohya, and R. Doke, Strain accumulation process around the Atotsugawa fault system in the Niigata-Kobe Tectonic Zone, central Japan, Geophys. J. Int., 184, 977-990, 2011.

Yabe, Y., and K. Omura, In-situ stress at a site close proximity to the Gofukuji fault, central Japan, measured using drilling cores, Island Arc, 20, 160-173, doi:10.111/j.1440-1738.2010.00756.x, 2011.

Uchida, N., and T. Matsuzawa, Coupling coefficient, hierarchical structure, and earthquake cycle for the source area of the 2011 Tohoku earthquake inferred from small repeating earthquake data, Earth Planets Space, 63 (No. 7), 675-679, doi:10.5047/eps.2011.07.006, 2011.

Hasegawa, A, K. Yoshida , and T. Okada, Nearly complete stress drop in the 2011 Mw9.0 off the Pacific coast of Tohoku Earthquake, Earth Planets Space, 63 (No. 7), 703-707, doi:10.5047/eps.2011.06.007, 2011.

市原寛・市來雅啓, 2011, 地殻・上部マントルの電気比抵抗構造:観測の原理・精度と物性データの現状, 岩石鉱物科学, 40, 73-90.

Ohta Y., S. Miura, M. Ohzono, S. Kita, T. Iinuma, T. Demachi, K. Tachibana, T. Nakayama, S. Hirahara, and S. Suzuki, T. Sato, N. Uchida, A. Hasegawa, and N. Umino, Large intraslab earthquake (2011 April 7 M7.1) after the 2011 off the Pacific coast of Tohoku earthquake (M9.0): Coseismic fault model based on the dense GPS network data, Earth Planets Space, 63, 1207-1211, 2011.

Nakajima, J., A. Hasegawa, and S. Kita, Seismic evidence for reactivation of a buried hydrated fault in the Pacific slab by the 2011 M9.0 Tohoku Earthquake, Geophys. Res. Lett., 38, L16318, doi:10.1029/2011GL048754, 2011.

Shimamura, K., T. Matsuzawa, T. Okada, N. Uchida, T. Kono, and A. Hasegawa, Similarities and Differences in the Rupture Process of the M~4.8 Repeating-Earthquake Sequence off Kamaishi, Northeast Japan: Comparison between the 2001 and 2008 Events, Bull. Seismol. Soc. Am., 101, 2355-2368, 2011.

Ponraj, M., S. Miura, C. D. Reddy, S. Amirtharaj, and S. H. Mahajan, Slip distribution beneath the Central andWestern Himalaya inferred from GPS observations, Geophys. J. Int., doi: 10.1111/j.1365-246X.2011.04958.x, 2011.

2010年

片山郁夫・平内健一・中島淳一, 2010, 日本列島下での沈み込みプロセスの多様性, 地学雑誌, 119, 205-223.

Nakajima, J., A. Kato, T. Iwasaki, S. Ohmi, T. Okada, T. Takeda, and The Japanese University Group of the Joint Seismic Observations at NKTZ, Deep crustal structure around the Atotsugawa fault system, central Japan: A weak zone below the seismogenic zone and its role in earthquake generation, Earth Planets Space, 62, 555-566, 2010.

Sun, W., S. Miura, T. Sato, T. Sugano, J. T. Freymueller, M. Kaufman, C. Larsen, R. Cross, and D. Inazu, Gravity measurements in southeastern Alaska reveal negative gravity rate of change caused by Glacial Isostatic Adjustment, J. Geophys. Res., 115, doi:10.1029/2009JB007194, 2010.

Uchida, N., S. H. Kirby, T. Okada, R. Hino, and A. Hasegawa, Supraslab earthquake clusters above the subduction plate boundary offshore Sanriku, northeastern Japan: Seismogenesis in a graveyard of detached seamounts?, J. Geophys. Res., 115, doi:10.1029/2009JB006797, 2010.

長谷川昭・中島淳一・内田直希・弘瀬冬樹・北佐枝子・松澤暢, 2010, 日本列島下のスラブの三次元構造と地震活動, 地学雑誌, 119, 190-204.

Nakajima, J., and A. Hasegawa, Cause of M7 earthquakes beneath the Tokyo metropolitan area, Japan: Possible evidence for a vertical tear at the easternmost portion of the Philippine Sea slab, J. Geophys. Res., 115, doi:10.1029/2009JB006863, 2010.

Okada, T., N. Umino, and A. Hasegawa, Deep structure of the Ou mountain range strain concentration zone and the focal area of the 2008 Iwate-Miyagi Nairiku earthquake, NE Japan - Seismogenesis related with magma and crustal fluid, Earth Planets Space, 62, 347-352, 2010.

Y. Yabe, K. Yamamoto, N. Sato, and K. Omura, Comparison of stress state around the Atera fault, central Japan, estimated using boring core samples and by improved hydraulic fracture tests, Earth Planets Space, 62, 257-268, 2010.

Kita, S., T. Okada, A. Hasegawa, J. Nakajima, and T. Matsuzawa, Anomalous deepening of a seismic belt in the upper-plane of the double seismic zone in the Pacific slab beneath the Hokkaido corner : Possible evidence for thermal shielding caused by subducted forearc crust materials, Earth Planet. Sci. Lett., 290, 415-426, 2010.

Uchida, N., T. Matsuzawa, J. Nakajima, and A. Hasegawa, Subduction of a wedge-shaped Philippine Sea plate beneath Kanto, central Japan, estimated from converted waves and small repeating earthquakes, J. Geophys. Res., 115, doi:10.1029/2009JB006962, 2010.

Horiguchi, K., S. Ueki, Y. Sano, N. Takahata, A. Hasegawa, and G. Igarashi, Geographical distribution of helium isotope ratios in northeastern Japan, Island Arc, 19, 60-70, 2010.

Huang, Z., D. Zhao, N. Umino, L. Wang, T .Matsuzawa, A. Hasegawa, and T. Yoshida, P-wave tomography, anisotropy and seismotectonics in the eastern margin of Japan Sea, Tectonophysics, 489, 177-188, 2010.

太田雄策・三浦哲・松村信介・森俊行, 2010, 低価格2周波GPS受信機とデータロガーを用いたGPS観測システムの構築, 測地学会誌, 56, 101-106.

Ariyoshi, K., T. Matsuzawa, J.-P. Ampuero, R. Nakata, T. Hori, Y. Kaneda, R. Hino, and A. Hasegawa, Migration process of very low-frequency events based on a chain-reaction model and its application to the detection of preseismic slip for megathrust earthquakes, Earth Planets Space, 2010, in press.

Kita, S., T. Okada, A. Hasegawa, J. Nakajima, and T. Matsuzawa, Existence of interplane earthquakes and neutral stress boundary between the upper and lower planes of the double seismic zone beneath Tohoku and Hokkaido,northeastern Japan, Tectonophysics, doi:10.1016/j.tecto.2010.10.010, 2010.

Reynard, B., J. Nakajima, and H. Kawakatsu, Earthquakes and plastic deformation of anhydrous slab mantle in double Wadati-Benioff zones, Geophys. Res. Lett., 37, L24309, doi:10.1029/2010GL045494, 2010.

Ponraj, M., S. Miura, C. D. Reddy, S. K. Prajapati, S. Amirtharaj, and S. H. Mahajan, Estimation of strain distribution using GPS measurements in the Kumaun region of Lesser Himalaya, J. Asian Earth Sci., doi:10.1016/j.jseaes.2010.04.037, 2010.

2009年

Tamura, Y, J. Nakajima, S. Kodaira, and A. Hasegawa, Tectonic setting of volcanic centers in subduction zones: 3D structure of mantle wedge and arc crust, Volcanic and Tectonic Hazard Assessment for Nuclear Facilities, 177-194, 2009.

Yabe, Y., J. Philipp, M. Nakatani, G. Morema, M. Naoi, H. Kawakata, T. Igarashi, G. Dresen, H. Ogawasara, and JAGUARS, Observation of numerous aftershocks of an Mw 1.9 earthquake with an AE network installed in a deep gold mine in South Africa, Earth Planets Space, 61, e49-e52, 2009.

Yoshimura, R., N. Oshiman, M. Uyeshima, T. Uto, H. Kanezaki, Y. Mochido, K. Aizawa, Y. Ogawa, T. Nishitani, and S. Sakanaka, M. Mishina and others, Magnetotelluric transect across the Niigata-Kobe Tectonic Zone, central Japan: A clear correlation between strain accumulation and resistivity structure, Geophys. Res. Lett., 36, L20311, 2009.

Aizawa, K., Y. Ogawa, M. Mishina, K.Takahashi, S. Nagaoka, N. Takagi, S. Sakanaka, and T. Miura, Structual controls on the 1998 volcanic unrest at Iwate volcano: Relationship between a shallow, electrically resistive body and the possible ascent route of magmatic fluid, J. Volcanol. Geotherm. Res., 187, 131-139, 2009.

Yamamoto, S., J. Nakajima, A. Hasegawa, and S. Maruyama, Izu-Bonin arc subduction under the Honshu island, Japan: Evidence from geological and seismological aspect, Gondwana Res., 16, 572-580, 2009.

Omori, S., S. Kita, S. Maruyama, and M. Santosh, Pressure-temperature conditions of ongoing regional metamorphism beneath the Japanese Islands, Gondwana Research, 16, 458-469, 2009.

Zhao, D., Z. Wang, N. Umino, and A. Hasegawa, Mapping the mantle wedge and interplate thrust zone of the northeast Japan arc, Tectonophysics, 467, 89-106, 2009.

Inazu, D., T. Sato, S. Miura, Y. Ohta, K. Nakamura, H. Fujimoto, C. F. Larsen , and T. Higuchi, Accurate Ocean Tide Modeling in Southeast Alaska and Large Tidal Dissipation around Glacier Bay, J. Oceanog., 65, 335-347, 2009.

川田祐介・長濱裕幸・内田直希・松澤暢, 2009, プレート境界地震に伴う余効すべりと岩石の粘弾性挙動, 地質学雑誌, 115, 448-456.

Hasegawa, A., J. Nakajima, N. Uchida, T. Okada, D. Zhao, T. Matsuzawa, and N. Umino, Plate subduction, and generation of earthquakes and magmas in Japan as inferred from seismic observations: An overview, Gondwana Research, 16, 370-400 , 2009.

Mishina, M., Distribution of crustal fluids in Northeast Japan as inferred from resistivity surveys , Gondwana Research, 16, 563-571, 2009.

Wallace, L. M., S. Ellis, K. Miyao, S. Miura, J. Beavan, and J. Goto, Enigmatic, highly active left-lateral shear zone in southwest Japan explained by aseismic ridge collision, Geology, 37, 143-146, 2009.

Nakajima, J., Y. Tsuji, and A. Hasegawa, Seismic evidence for thermally-controlled dehydration reaction in subducting oceanic crust, Geophys. Res. Lett., 36, L03303, doi:10.1029/2008GL036865, 2009.

Gamage, S. S. N., N. Umino, A. Hasegawa, and S. H. Kirby, Offshore double-planed shallow seismic zone in the NE Japan forearc region revealed by sP depth phases recorded by regional networks, Geophys. J. Int., 178, 195-214, 2009.

Sano, Y., A. Kameda, N. Takahata, J. Yamamoto, and J. Nakajima, Tracing extinct spreading center in SW Japan by helium-3 emanation, Chemical Geology, 266, 50-56, 2009.

Omuralieva, A., J. Nakajima, and A. Hasegawa, Three-dimensional seismic velocity structure of the crust beneath the central Tien Shan, Kyrgyzstan: Implications for large- and small-scale mountain building, Tectonophysics, 465, 30-44, 2009.

Nakajima, J., Y. Tsuji, A. Hasegawa, S. Kita, T. Okada, and T. Matsuzawa, Tomographic imaging of hydrated crust and mantle in the subducting Pacific slab beneath Hokkaido, Japan: Evidence for dehydration embrittlement as a cause of intraslab earthquakes, Gondwana Research, 16, 470-481, 2009.

中島淳一・長谷川昭, 2009, 地震波トモグラフィでみたスラブの沈み込みと島弧マグマ活動, 地震2, 61, S177-S186.

Goltz, C., D. L. Turcotte, S. G. Abaimov, R. M. Nadeau, N. Uchida, and T. Matsuzawa , Rescaled earthquake recurrence time statistics: application to microrepeaters, Geophys. J. Int., 176, 256-264, 2009.

Ariyoshi, K., T. Hori, J. Ampuero, Y. Kaneda, T. Matsuzawa, R. Hino, and A. Hasegawa, Influence of interaction between small asperities on various types of slow earthquakes in a 3-D simulation for a subduction plate boundary, Gondwana Research, 16, 534-544, 2009.

Uchida, N., J. Nakajima, A. Hasegawa, and T. Matsuzawa, What controls interplate coupling?: Evidence for abrupt change in coupling across a border between two overlying plates in the NE Japan subduction zone, Earth Planet. Sci. Lett., 283, 111-121, 2009.

Uchida, N., S. Yui, S. Miura, T. Matsuzawa, A. Hasegawa, Y. Motoya, and M. Kasahara, Quasi-static slip on the plate boundary associated with the 2003 M8.0 Tokachi-oki and 2004 M7.1 off-Kushiro earthquakes, Japan, Gondwana Research, 16, 527-533, 2009.

Ariyoshi, K., T. Matsuzawa, Y. Yabe, N. Kato, R. Hino, and A. Hasegawa, Character of slip and stress due to interaction between fault segments along the dip direction of a subduction zone, Journal of Geodynamics, 48, 55-67, 2009.

Nakajima, J., F. Hirose, and A. Hasegawa, Seismotectonics beneath the Tokyo metropolitan area: Effect of slab-slab contact and overlap on seismicity, J. Geophys. Res., 114, B08309, doi:10.1029/2008JB006101., 2009.

Maruyama, S., A. Hasegawa, M. Santosh, T. Kogiso, S. Omori, H. Nakamura, K. Kawai, and D. Zhao, The dynamics of Big Mantle Wedge, Magma Factory, and Metamorphic -Metasomatic Factory in subduction zones, Gondwana Res., 16, 414-430, 2009.

Iinuma, T., M. Ohzono, Y. Ohta, S. Miura, M. Kasahara, H. Takahashi, T. Sagiya, T. Matsushima, S. Nakao, and S. Ueki, K. Tachibana, T. Sato, H. Tsushima, K. Takatsuka, T. Yamaguchi, M. Ichiyanagi, M. Takada, K. Ozawa, M. Fukuda, Y. Asahi, M. Nakamoto, Y. Yamashita, and N. Umino , Aseismic slow slip on an inland active fault triggered by a nearby shallow event, the 2008 Iwate-Miyagi Nairiku Earthquake (Mw6.8) , Geophys. Res. Lett., 36, doi:10.1029/2009GL040063, 2009.

松澤暢, 2009, プレート境界地震とアスペリティ・モデル, 地震2, 61, S347-S355.

Umeda, K., A. Ninomiya, K. Shimoda, and J. Nakajima, Helium isotope variations along the Niigata-Kobe Tectonic Zone, central Japan, The Lithosphere; Geochemistry, Geology and Geophysics, 141-170, 2009.

2008年

Aizawa, K., Y. Ogawa, T. Hashimmoto, T. Koyama, W. Kanda, Y. Yamaya, M. Mishina, and T. Kagiyama, Shallow resistivity structure of Asama Volcano and its implications for magma ascent process in the 2004 eruption, J. Volcanol. Geotherm. Res., 173, 165-177, 2008.

長田幸仁・水上知子・木戸元之・太田雄策・対馬弘晃・三浦哲・藤本博己, 2008, 10 Hz GPS 受信機導入による海底地殻変動 観測高度化の試み, 測地学会誌, 54, 141-151.

Hirose, F., J. Nakajima, and A. Hasegawa, Three-dimensional seismic velocity structure and configuration of the Philippine Sea slab in southwestern Japan estimated by double-difference tomography, J. Geophys. Res., 113, doi:10.1029/2007JB005274, 2008.

Yoshioka, S., M. Toda, and J. Nakajima, Regionality of deep low-frequency earthquakes associated with subduction of the Philippine Sea plate along the Nankai Trough, southwest Japan, Earth Planet. Sci. Lett., 272, 189-198, , 2008.

Yasuo Yabe, S.-R. Song, and C.-Y. Wang, In-situ stress at the northern portion of the Chelungpu fault, Taiwan, estimated on boring cores recovered from a 2-km-deep-hole of TCDP, Earth Planets Space, 60, 809-819, 2008.

Sato, T., S. Miura, Y. Ohta, H. Fujimoto, W. Sun, C.F. Larsen, M. Heavner, A. M. Kaufman, and J. T. Freymueller, Earth tides observed by gravity and GPS in southeastern Alaska, J. Geodyn., 46, 78-89, 2008.

Iinuma, T., Y. Ohta, S. Miura, K. Tachibana, T. Matsushima, H. Takahashi, T. Sagiya, T. Ito, S. Miyazaki, and R. Doke, A. Takeuchi, K. Miyao, A. Hirao, T. Maeda, T. Yamaguchi, M. Takada, M. Iwakuni, T. Ochi, I. Meilano, A. Hasegawa, Postseismic Slip Associated with the 2007 Chuetsu-oki Niigata, Japan, Earthquake (M6.8 on 16 July 2007) as Inferred from GPS Data, Earth Planets Space, 60, 1087-1091, 2008.

Yoshimura, R., N. Oshiman, M. Uyeshima, Y. Ogawa, M. Mishina, H. Toh, S. Sakanaka, H. Ichihara, I. Shiozaki, and et al., Magnetotelluric observations around the focal region of the 2007 Noto Hanto Earthquake (Mj6.9), Central Japan, Earth Planets Space, 60, 117-122, 2008.

中島淳一・長谷川昭, 2008, 東北日本弧下のマントルウエッジの地震学的構造とその解釈, 地学雑誌, 117, 76-92.

Nakajima, J., H. Iwamori, and A. Hasegawa, Reply to the comment on "Tomographic evidence for the mantle upwelling beneath southeastern Japan and its implications for arc magmatism" by H. Mashima, Earth Planet. Sci. Lett., 265, 322-323, 2008.

Sano, Y., and J. Nakajima, Geographical distribution of 3He/4He ratios and seismic tomography in Japan, Geochem. J., 42, 51-60, 2008.

弘瀬冬樹・中島淳一・長谷川昭, 2008, Double-Difference Tomography法による関東地方の3次元地震波速度構造およびフィリピン海プレートの形状の推定, 地震2, 60, 123-138.

長谷川昭・中島淳一・北佐枝子・辻優介・新居恭平・岡田知己・松澤暢・趙大鵬, 2008, 地震波でみた東北日本沈み込み帯の水の循環−スラブから島弧地殻への水の供給, 地学雑誌, 117, 59-75.

Nakajima, J., and A. Hasegawa, Existence of low-velocity zones under the source areas of the 2004 Niigara-Chuetsu and 2007 Niigarta-Chuetsu-Oki earthquakes inferred fromm travel-time tomography, Earth Planets Space, 60, 1127-1130, 2008.

Ohta, Y, S. Miura, T. Iinuma, K. Tachibana, T. Matsushima, H. Takahashi, T. Sagiya, T. Ito, and S. Miyazaki, R. Doke, A. Takeuchi, K. Miyao, A. Hirao, T. Maeda, T. Yamaguchi, M. Takada, M. Iwakuni, T. Ochi, I. Meilano, A. Hasegawa, Coseismic and postseismic deformation related to the 2007 Chuetsu-oki, Niigata Earthquake, Earth Planets Space, 60, 1081-1086, 2008.

Yabe, Y., Evolution of source characteristics of AE events during frictional sliding, Earth Planets Space e-Letter, 60, e5-e8, 2008.

Tsuji, Y., J. Nakajima, and A. Hasegawa, Tomographic evidence for hydrated oceanic crust of the Pacific slab beneath northeastern Japan: Implications for water transportation in subduction zones, Geophys. Res. Lett., 35, L14308, doi:10.1029/2008GL034461, 2008.

Ohta, Y. , M. Ohzono, S. Miura, T. Iinuma, K. Tachibana, K. Takatsuka, K. Miyao, T. Sato, and N. Umino, Coseismic fault model of the 2008 Iwate-Miyagi Nairiku earthquake deduced by a dense GPS network, Earth Planets Space, 60, 1197-1201, 2008.

Nishimoto, S., M. Ishikawa, M. Arima, Y. Yoshida, and J. Nakajima, Simultaneous high P-T measurements of ultrasonic compressional and shear wave velocities in Ichino-megata mafic xenoliths: Their bearings on seismic velocity perturbations in lower crust of Northeast Japan arc, J. Geophys. Res., 113, B12212, doi:10.1029/2008JB005587, 2008.

2007年

Rosat, S., S. Watada, and T. Sato, Geographical variations of the oSo normal mode amplitude: predictions and observations after the Sumatra-Andaman earthquake, Earth Planets Space, 59, 307-311, 2007.

Nawa, K., N. Suda, K. Satake, Y. Fujii, T. Sato, K. Doi, M. Kanao, and K. Shibuya, Loading and Gravitational Effects of the 2004 Indian Ocean Tsunami at Syowa Station, Antarctica, Bull. Seismol. Soc. Am., 97, S271-S278, 2007.

佐藤忠弘, 2007, 測地観測とジオダイナミックス, 測地学会誌, 58, 113-122.

Uchida, N., T. Matsuzawa, W. L. Ellsworth, K. Imanishi, T. Okada, and A. Hasegawa, Source parameters of a M4.8 and its accompanying repeating earthquakes off Kamaishi, NE Japan - implications for the hierarchical structure of asperities and earthquake cycle, Geophys. Res. Lett., 34, doi:10.1029/2007GL031263, 2007.

Zhao, D., Z. Wang, N. Umino, and A. Hasegawa, Tomographic Imaging Outside a Seismic Network: Application to the Northeast Japan Arc., Bull. Seismol. Soc. Am., 97, 1121-1132, 2007.

Nakajima, J., and A. Hasegawa, Subduction of the Philippine Sea plate beneath southwestern Japan: Slab geometry and its relationship to arc magmatism, J. Geophys. Res., 112, B08306, doi:10.1029/2006JB004770, 2007.

弘瀬冬樹・中島淳一・長谷川昭, 2007, Double-Difference Tomography法による西南日本の3次元地震波速度構造およびフィリピン海プレートの形状の推定, 地震2, 60, 1-20.

Nakajima, J., and A. Hasegawa, Deep crustal structure along the Niigata-Kobe Tectonic Zone, Japan: its origin and segmentation, Earth Planets Space, 59, e5-e8, 2007.

Okada, T., A. Hasegawa, J. Suganomata, N. Umino, H. Zhang, and C. Thurber, Imaging the heterogeneous source area of the 2003 M6.4 northern Miyagi earthquake, NE Japan, by double-difference tomography, Tectonophysics, 430, 67-81, 2007.

有吉慶介・松澤暢・矢部康男・長谷川昭・加藤尚之, 2007, 沈み込みプレート境界における断層セグメント間の相互作用, 地震2, 59, 309-324.

河野俊夫・海野徳仁・長谷川昭, 2007, 1930年代に発生したM7クラスの宮城県沖地震の震度分布について, 地震2, 59, 339-353.

内田直希・松澤暢・三浦哲・平原聡・長谷川昭, 2007, 小繰り返し地震解析による宮城・福島県沖プレート境界の準静的すべり, 地震2, 59, 287-295.

三浦哲・飯沼卓史・油井智史・佐藤俊也・立花憲司・長谷川昭, 2007, 2005年宮城県沖地震(M7.2)に伴った地震時・地震後地殻変動から推定されたプレート境界面上のすべり分布, 地震2, 59, 371-379.

海野徳仁・河野俊夫・岡田知己・中島淳一・松澤暢・内田直希・長谷川昭・田村良明・青木元, 2007, 1930年代に発生したM7クラスの宮城県沖地震の震源再決定−1978年宮城県沖地震のアスペリティでのすべりだったのか?−, 地震2, 59, 325-337.

柳沼直・岡田知己・長谷川昭・加藤研一・武村雅之・八木勇治, 2007, 近地・遠地地震波形インヴァージョンによる2005年宮城県沖の地震(M7.2)の地震時すべり量分布−1978年宮城県沖地震(M7.4)との関係−, 地震2, 60, 43-53.

Nakajima, J., and A. Hasegawa, Tomographic evidence for the mantle upwelling beneath southwestern Japan and its implications for arc magmatism, Earth Planet. Sci. Lett., 254, 90-105, 2007.

Ariyoshi, K., T. Matsuzawa, R. Hino, and A. Hasegawa, Triggered non-similar slip events on repeating earthquake asperities: Results from 3D numerical simulations based on a friction law, Geophys. Res. Lett., 34, doi:10.1029/2006GL028323, 2007.

Ariyoshi, K., T. Matsuzawa, and A. Hasegawa, The key frictional parameters controlling spatial variations in the speed of postseismic slip propagation on a subduction plate boundary, Earth Planet. Sci. Lett., 256, 136-146, doi:10.1016/j.epsl.2007.01.019, 2007.

Rubinstein, J., N. Uchida, and G. Beroza, Seismic velocity reductions caused by the 2003 Tokachi-oki earthquake, J. Geophys. Res., 112, doi:10.1029/2006JB004440, 2007.

Hasegawa, A., J. Nakajima, S. Kita, T. Okada, T. Matsuzawa, and S. Kirby, Anomalous deepening of a belt of intraslab earthquakes in the Pacific slab crust under Kanto, central Japan: Possible anomalous thermal shielding, dehydration reactions, and seismicity caused by shallower cold slab material, Geophys. Res. Lett., 34, doi:10.1029/2007GL029616, 2007.

Xia, S., D. Zhao, X. Qiu, J. Nakajima, T. Matsuzawa, and A. Hasegawa, Mapping the crustal structure under active volcanoes in central Tohoku, Japan using P and PmP data , Geophys. Res. Lett., 34, doi:10.1029/2007GL030026, 2007.

岡田正実・高山博之・弘瀬冬樹・内田直希, 2007, 地震長期発生確率予測に使用する更新過程対数正規分布モデルのパラメータ事前分布, 地震2, 60, 85-100.

三品正明, 2007, 東北大学における地殻変動連続観測, 測地学会誌, 53, 359-368.

2006年

Shimizu, H., H. Takahashi, T. Okada, T. Kanazawa, Y. Iio, H. Miyamachi, T. Matsushima, M. Ichiyanagi, N. Uchida, and others, Aftershock seismicity and fault structure of the 2005 West Off Fukuoka Prefecture Earthquake (MJMA7.0) derived from urgent joint observations , Earth Planets Space, 58, 1599-1604, 2006.

Miura, S., T. Iinuma, S. Yui, N. Uchida, T. Sato, K. Tachibana, and A. Hasegawa, Co- and post-seismic slip associated with the 2005 Miyagi-oki earthquake (M7.2) as inferred from GPS data, Earth Planets Space, 58, 1567-1572, 2006.

Toh, H., K. Baba, M. Ichiki, T. Motobayashi, Y. Ogawa, M. Mishina, and I.. Takahashi, Two-dimensional electrical section beneath the eastern margin of Japan Sea, Geophys. Res. Lett., 33, L22309, doi:10.1029/2006GL027435, 2006.

長谷川昭, 2006, 東北日本沈み込み帯における地震発生と火山生成のモデル, 石油技術協会誌, 71, 425-434.

Yaginuma, T., T. Okada, Y. Yagi, T. Matsuzawa, N. Umino, and A. Hasegawa, Coseismic slip distribution of the 2005 off Miyagi earthquake (M7.2) estimated by inversion of teleseismic and regional seismograms, Earth Planets Space, 58, 1549-1554, 2006.

Iio, Y., H. Katao, T. Ueno, B. Enescu, N. Hirano, T. Okada, N. Uchida, S. Matsumoto, T. Matsushima, and K. Uehira, H. Shimizu, Spatial distribution of static stress drops for aftershocks of the 2005 West off Fukuoka Prefecture earthquake, Earth Planets Space, 58, 1611-1615, 2006.

矢部康男, 2006, 異方性を有する断層破砕帯における「弱い断層」と「最適なすべり面」に関する考察, 地震2, 58, 407-409.

菅ノ又淳一・岡田知己・長谷川昭・Hajiang Zhang・Clifford Thurber, 2006, 2001年芸予地震(M6.7)震源域およびその周辺における三次元地震波速度構造, 地震2, 59, 87-105.

Nakajima, J., A. Hasegawa, S. Horiuchi, K. Yoshimoto, T. Yoshida, and N. Umino, Crustal heterogeneity around the Nagamachi-Rifu fault, northeastern Japan, as inferred from travel-time tomography, Earth Planets Space, 58, 843-853, 2006.

Okada, T., T. Yaginuma, N. Umino, T. Matsuzawa, A. Hasegawa, H. Zhang, and C. H. Thurber, Detailed imaging of the fault planes of the 2004 Niigata-Chuetsu, central Japan, earthquake sequence by double-difference tomography, Earth Planet. Sci. Lett., 244, 32-43, 2006.

Nakajima, J., J. Shimizu, S. Hori, and A. Hasegawa, Shear-wave splitting beneath the southwestern Kurile arc and northeastern Japan arc: A new insight into mantle return flow, Geophys. Res. Lett., 33, doi:10.1029/2005GL025053, 2006.

Suwa, Y., S. Miura, A. Hasegawa, T. Sato, and K. Tachibana, Interplate coupling beneath NE Japan inferred from three dimensional displacement field, J. Geophys. Res., 111, doi:101029/2004JB003203, 2006.

Umino, N., T. Kono, T. Okada, J. Nakajima, T. Matsuzawa, N. Uchida, A. Hasegawa, Y. Tamura, and G. Aoki, Revisiting the three M~7 Miyagi-oki earthquakes in the 1930s : Possible seismogenic slipon asperities that were re-ruptured during the 1978 M7.4 Miyagi-oki earthquake, Earth Planets Space, 58, 1587-1592, 2006.

菅ノ又淳一・岡田知己・長谷川昭・迫田浩司・Stephen H.Kirby, 2006, Double-difference location 法による東北日本弧下の稍深発地震の震源再決定, 地震2, 59, 1-18.

Nakajima, J., and A. Hasegawa, Anomalous low-velocity zone and linear alignment of seismicity along it in the subducted Pacific slab beneath Kanto, Japan: Reactivation of subducted fracture zone?, Geophys. Res. Lett., 33, doi:10.1029/2006GL026773, 2006.

Kido, M., H. Fujimoto, S. Miura, Y. Osada, K. Tsuka, and T. Tabei, Seafloor displacement at Kumano-nada caused by the 2004 off Kii Peninsula earthquake, detected through repeated GPS/Acoustic surveys, Earth Planets Space, 58, 911-915, 2006.

舟越実・長田幸仁・三浦哲・西野実・桑野亜佐子・日野亮太・藤本博己, 2006, 小型曳航ブイを用いたGPS音響結合方式の海底精密測位観測システムによる宮城県沖観測の開始, 測地学会誌, 52, 115-130.

Osada, Y., H. Fujimoto, T. Kanazawa, S. Nakao, S. Sakai, S. Miura, J. A. Hildebrand, and C. D. Chadwell, Development of a GPS/Acoustic seafloor positioning system for 6000 m water depth and its trial experiments at sea, J. Geod. Soc. Japan, 52, 171-182, 2006.

Okada, T., A. Hasegawa, J. Suganomata, D. Zhao, H. Zhang, and C. Thurber, Imaging the source area of the 1995 southern Hyogo (Kobe) earthquake (M7.3) using double-difference tomography, Earth Planet. Sci. Lett., 253, 143-150, 2006.

Uchida, N., T. Matsuzawa, S. Hirahara, and A. Hasegawa, Small repeating earthquakes and interplate creep around the 2005 Miyagi-oki earthquake (M7.2), Earth Planets Space, 58, 1577-1580, 2006.

Kita, S., T. Okada, J. Nakajima, T. Matsuzawa, and A. Hasegawa, Existence of a seismic belt in the upper plane of the double seismic zone extending in the along-arc direction at depths of 70-100 km beneath NE Japan, Geophys. Res. Lett., 33, doi:10.1029/2006GL028239, 2006.

Ito, Y., S. Sekiguchi, T. Okada, R. Honda, K. Obara, and S. Hori, Performance of regional distance centroid moment tensor inversion applied to the 2004 mid-Niigata prefecture earthquake, Japan, Geophys. J. Int., 167, 1317-1331, 2006.

Kato, N., H. Sato, and N. Umino, Fault reactivation and active tectonics on the fore-arc side of the back-arc rift system, NE Japan, J. Structual Geology, 28, 2011-2022, 2006.

Hasegawa, A., Introduction to the special section for the 2005 M7.2 Miyagi-oki earthquake , Earth Planets Space, 58, @-A, 2006.

2005年

岡田知己・海野徳仁・松澤暢・中島淳一・内田直希・中山貴史・平原聡・佐藤俊也・堀修一郎,河野俊夫,柳沼直,長谷川昭,浅野陽一,H. Zhang,C. H. Thurber, 2005, 稠密余震観測データを用いたダブル・ディファレンス・トモグラフィー法による2004年新潟県中越地震の震源断層のイメージング, 地震2, 58, 283-295.

Baris, S., J. Nakajima, A. Hasegawa, Y. Honkura, A. Ito, and S. B. Ucer, Three-dimensional structure of Vp, Vs and Vp/Vs in the upper crust of the Marmara region, NW Turkey, Earth Planets Space, 57, 1019-1038, 2005.

Okada, T., T. Yaginuma, N. Umino, T. Kono, T. Matsuzawa, S. Kita, and A. Hasegawa, The 2005 M7.2 MIYAGI-OKI earthquake, NE Japan:Possible rerupturing of one of asperities that caused the previous M7.4 earthquake , Geophys. Res. Lett., 32, doi:10.1029/2005GL024613, 2005.

吉田武義・中島淳一・長谷川昭・佐藤比呂志・長橋良隆・木村純一・田中明子・Prima,O.D.A.・大口健志, 2005, 後期新生代,東北本州弧における火成活動史と地殻・マントル構造, 第四紀研究, 44, 195-216.

Okada, T., N. Umino, T. Matsuzawa, J. Nakajima, N. Uchida, T. Nakayama, S. Hirahara, T. Sato, and S. Hori, T. Kono, Y. Yabe, K. Ariyoshi, S. Gamage, J. Shimizu, J. Suganomata, S. Kita, S. Yui, M. Arao, S. Hondo, T. Mizukami, H. Tsushima, T. Yaginuma, A. Hasegawa, Y. Asano, Aftershock distribution and 3D seismic velocity structure in and around the focal area of the 2004 mid Niigata prefecture earthquake obtained by applying double-difference tomography to dense temporary seismic network data, Earth Planets Space, 57, 435-440, 2005.

Hasegawa, A. , J. Nakajima, N. Umino, and S. Miura, Deep structure of the northeastern Japan arc and its implications for crustal deformation and shallow seismic activity, Tectonophysics, 403/1-4, 59-75, 2005.

Nishimura, T., S. Tanaka, T. Yamawaki, H. Yamamoto, T. Sano, M. Sato, H. Nakahara, N. Uchida, S. Hori, and H. Sato, Temporal changes in seismic velocity of the crust around Iwate volcano, Japan, as inferred from analyses of repeated active seismic experiment data from 1998 to 2003, Earth Planets Space, 57, 491-505, 2005.

Uchida, N., T. Matsuzawa, A. Hasegawa, and T. Igarashi, Recurrence intervals of characteristic M4.8+/-0.1 earthquakes off Kamaishi, NE Japan - Comparison with creep rate estimated from small repeating earthquake data, Earth Planet. Sci. Lett., 233, 155-165, 2005.

Nakajima, J., Y. Takei, and A. Hasegawa, Quantitative analysis of the inclined low-velocity zone in the mantle wedge of northeastern Japan: A systematic change of melt-filled pore shapes with depth and its implications for melt migration, Earth Planet. Sci. Lett., 234, 59-70, 2005.

清水淳平・中島淳一・長谷川昭・小原一成, 2005, 北海道および東北日本沈み込み帯におけるS波偏向異方性とマントルウエッジ内の二次対流, 地震2, 58, 153-164.

2004年

佐藤比呂志・吉田武義・岩崎貴哉・佐藤時幸・池田安隆・海野徳仁, 2004, 後期新生代における東北日本中部背弧域の地殻構造発達−最近の地殻構造探査を中心として−, 石油技術協会誌, 69, 145-154.

Miura, S., Y. Suwa, T. Sato, K. Tachibana , and A. Hasegawa, Slip distribution of the 2003 northern Miyagi earthquake (M6.4) as deduced by geodetic inversion, Earth Planets Space, 56, 95-101, 2004.

Nishida, Y., Y. Sugisaki, K. Takahashi, M. Utsugi, and H. Oshima, Tectonomagnetic study in the eastern part of Hokkaido, NE Japan: Discrepancy between observed and calculated results, Earth Planets Space, 56, 1049-1058, 2004.

堀修一郎・海野徳仁・河野俊夫・長谷川昭, 2004, 東北日本弧の地殻内S波反射面の分布, 地震2, 56, 435-446.

海野徳仁・岡田知己・中島淳一・堀修一郎・河野俊夫・中山貴史・内田直希・清水淳平・菅ノ又淳一・ガマゲシャンタ・仁田交市・矢部康男・迫田浩司・佐藤凡子・伊藤実・長谷川昭・浅野陽一・長谷見晶子・出町知嗣・矢島良紀, 2004, 余震観測から推定した2003年7月26日宮城県北部地震(M6.4)の余震の震源とメカニズム解の分布, 地震2, 56, 425-434.

Okada, T., N. Umino, and A. Hasegawa, Source process of M6.4 intermediate-depth earthquake that occurred in the lower plane of the double seismic zone beneath northeastern Japan, J. Seismol, 8, 453-466, 2004.

Yoshimoto, K., H. Fujisawa, T. Okada, N. Umino, A. Hasegawa, K. Obara, K. Shiomi, H.Tsukahara, and S. Okamoto, T. Kawanaka, H. Sato, T. Nishimura, H. Sato,M. Ohtake, Moho and Philippine Sea plate structure beneath central Honshu Island, Japan, from teleseismic receiver functions, Earth Planets Space, 56, 1271-1277, 2004.

Uchida, N., A. Hasegawa, T. Matsuzawa, and T. Igarashi, Pre- and post-seismic slow slip on the plate boundary off Sanriku, NE Japan associated with three interplate earthquakes as estimated from small repeating earthquake data, Tectonophysics, 385, 1-15, 2004.

Hasegawa, A., Introduction to EPS special section for the M7.1 and M6.4 earthquakes in northeastern Japan, Earth Planets Space, 56, @-C, 2004.

Miura, S., Y. Suwa, and A. Hasegawa, The 2003 M8.0 Tokachi-Oki earthquake - How much has the great event paid back sip debts?, Geophys. Res. Lett., 31, doi:10.1029/2003GL019021, 2004.

山本清彦・佐藤凡子・矢部康男, 2004, 北上山地東部の応力測定と応力からみた内陸地殻の駆動源, 地震2, 56 , 511-527.

西村卓也・鷺谷威・三浦哲, 2004, GPS連続観測による長町―利府断層帯およびその周辺(東北地方中部)の地殻変動, 地震2, 56, 497-509.

矢部康男, 2004, 地震活動の時空間変動に対する新たな解釈の提案と東北日本太平洋下プレート境界面への適用, 地震2, 56 , 485-495.

Zhang, H, C. H. Thurber, D. Shelly, S. Ide, G. C. Beroza, and A. Hasegawa, High-resolution subducting-slab structure beneath northern Honshu, Japan, revealed by double-difference tomography, Geology, 32, 361-364, 2004.

Asano, Y., and A. Hasegawa, Imaging the fault zones of the 2000 Western Tottori earthquake by a new inversion method to estimate 3-D distribution of scattering coefficient, J. Geophys. Res., 109, doi:10.1029/2003JB002761, 2004.

Nakajima, J., and A. Hasegawa, Shear-wave polarization anisotropy and subduction-induced flow in the mantle wedge of northeastern Japan, Earth Planet. Sci. Lett., 225, 365-377, 2004.

Matsuzawa, T., N. Uchida, T. Igarashi, T. Okada, and A. Hasegawa, Repeating earthquakes and quasi-static slip on the plate boundary east off northern Honshu, Japan, Earth Planets Space, 56, 803-811, 2004.

Okada, T., K. Sakoda, T. Matsuzawa, R. Hino, A. Hasegawa, S. Sakai, and T. Kanazawa, Characteristic seismic activity in the subducting plate boundary zone off Kamaishi, northeastern Japan, revealed by precise hypocenter distribution analysis using ocean-bottom seismometers, Geophys. Res. Lett., 31, doi:10.1029/2004GL020366, 2004.

Hasegawa, A., and J. Nakajima, Geophysical constraints on slab subduction and arc magmatism, In The State of the Planet: Frontiers and Challenges in Geophysics, AGU Geophys. Monogr. Ser., 150, edited by R. S. J. Sparks & C. J. Hawkesworth , 81-94, AGU, Washington, D.C., 2004.

Asano, Y., K. Obara, J. Nakajima, and A. Hasegawa, Inhomogeneous crustal structure beneath northern Miyagi prefecture, northeastern Japan, imaged by coda envelope inversion: Implication for fluid distribution, Geophys. Res. Lett., 31, doi:10.1029/2004GL021261, 2004.

長谷川昭・中島淳一・海野徳仁・三浦哲・諏訪謡子, 2004, 東北日本弧における地殻の変形と内陸地震の発生様式, 地震2, 56, 413-424.

山下哲央・岡田知己・松澤暢・長谷川昭, 2004, 東北日本太平洋下のプレート境界近傍で発生する地震のスケーリング則, 地震2, 56, 457-469.

諏訪謡子・三浦哲・長谷川昭・佐藤俊也・立花憲司, 2004, 東北日本沈み込み帯におけるプレート境界の固着状況, 地震2, 56, 471-484.

長谷見晶子・瀧澤薫・堀修一郎・海野徳仁・長谷川昭, 2004, 1999年2月26日秋田県沿岸南部で発生した地震(M5.1)の断層面について, 地震2, 56, 541-545.

迫田浩司・岡田知己・菅ノ又淳一・長谷川昭, 2004, 2003年5月26日宮城県沖地震(M7.1)と二重深発地震面上面の地震活動−スラブ内大地震震源域における地震活動の特徴抽出−, 地震2, 57, 187-198.

Miura, S., T. Sato, A. Hasegawa, Y. Suwa, K. Tachibana, and S. Yui, Strain concentration zone along the volcanic front derived by GPS observations in NE Japan arc, Earth Planets Space, 56, 1347-1355, 2004.

Nishimura, T., T. Hirasawa, S. Miyazaki, T. Sagiya, T. Tada, S. Miura, and K. Tanaka, Temporal change of interplate coupling in northeastern Japan during 1995-2002 estimated from continuous GPS observations, Geophys. J. Int., 157, 901-916, 2004.

2003年

Nakajima, J., and A. Hasegawa, Estimation of thermal structure in the mantle wedge of northeastern Japan from seismic attenuation data, Geophys. Res. Lett., 30, doi:10.1029/2003GL017185, 2003.

Nakamichi, H., H. Hamaguchi, S. Tanaka, S. Ueki, T. Nishimura , and A. Hasegawa, Source mechanism of deep and intermediate-depth low-frequency earthquakes beneath Iwate volcano, northeastern Japan, Geophys. J. Int., 154, 811-828, 2003.

Yabe, Y., N. Kato, K. Yamamoto, and T. Hirasawa, Effect of Sliding Rate on the Activity of Acoustic Emission During Stable Sliding, Pageoph, 160, 1163-1189, 2003.

Okada, T., N. Umino, and A. Hasegawa, Rupture process of the July 26 2003 northern Miyagi earthquake sequence, NE Japan, estimated from double-difference hypocenter locations, Earth Planets Space, 55, 741-750, 2003.

Okada, T., T. Matsuzawa, and A. Hasegawa, Comparison of source areas of M4.8+-0.1 earthquakes off Kamaishi, NE Japan - Are asperities persistent feature?, Earth Planet. Sci. Lett., 213, 361-374, 2003.

Uchida, N., T. Matsuzawa, T. Igarashi, and A. Hasegawa, Interplate quasi-static slip off Sanriku, NE Japan, estimated from repeating earthquakes, Geophys. Res. Lett., 30, doi:10.1029/2003GL017452, 2003.

Mishra, O. P., D. Zhao, N. Umino, and A. Hasegawa, Tomography of northeast Japan forearc and its implications for interplate seismic coupling, Geophys. Res. Lett., 30, doi:10.1029/2003GL017736, 2003.

Nakajima, J., and A. Hasegawa, Tomographic imaging of seismic velocity structure in and around the Onikobe volcanic area, northeastern Japan: implications for fluid distribution, J. Volcanol. Geotherm. Res., 127, 1-18, 2003.

Okada, T., and A. Hasegawa, The M7.1 May 26, 2003 off-shore Miyagi Prefecture Earthquake in northeast Japan: Source process and aftershock distribution of an intra-slab, Earth Planets Space, 55, 731-739, 2003.

佐藤凡子・矢部康男・山本清彦・伊藤久男, 2003, 変形率変化法により推定された野島断層近傍の地殻応力, 地震2, 56, 157-169.

Igarashi, T., T. Matsuzawa, and A. Hasegawa, Repeating earthquakes and interplate aseismic slip in the northeastern Japan subduction zone, J. Geophys. Res., 108, 10.1029/2002JB001920, 2003.

三浦英俊・長谷見晶子・小菅正裕・海野徳仁・長谷川昭, 2003, 鬼首地域(宮城・秋田県境付近)におけるコーダ波減衰−近接する観測点間にみられる違い−, 地震2, 55, 351-359.

Umino, N, T. Okada, J. Nakajima, S. Hori, T. Kono, T. Nakayama , N. Uchida, J. Shimizu, and J. Suganomata, S. S. N. Gamage, A. Hasegawa, Y. Asano, Hypocenter and focal mechanism distributions of aftershocks of July 26 2003 M6.4 northern Miyagi, NE Japan, earthquake revealed by temporary seismic observation, Earth Planets Space, 55, 719-730, 2003.

Smaglichenko, T. A., A. V. Nikolaev, S. Horiuchi , and A. Hasegawa, The method of consecutive subtraction of selected anomalies and its application to the study of 3-D velocity structure in the Onikobe (M 5.9) earthquake area (1996), northeastern Japan, Geophys. J. Int., 153, 627-644, 2003.

Sato, H., K. Muro, A. Hasegawa, and D. Zhao, Mathematica as a powerful and practical tool for displaying animated three-dimensional structures of the Earth's interior, Geochem. Geophys. Geosyst., 4, doi:10.1029/2001GC000303, 2003.

2002年

Umino, N., H. Ujikawa, S. Hori , and A. Hasegawa, Distinct S-wave reflectors (bright spots) detected beneath the Nagamachi-Rifu fault, NE Japan, Earth Planets Space, 54, 1021-1026, 2002.

Yamamoto, K., N. Sato, and Y. Yabe, Elastic property of damaged zone inferred from in-situ stresses and its role on the shear strength of faults, Earth Planets Space, 54, 1181-1194, 2002.

植木貞人・三浦哲, 2002, 1998年岩手山周辺の火山・地震活動, 地学雑誌, 111, 154-165.

佐藤俊也・三浦哲・立花憲司・佐竹義美・長谷川昭, 2002, 稠密GPS観測網により観測された東北奥羽脊梁山地の地殻変動, 地震2, 55, 181-191.

Nakamura, A., A. Hasegawa, A. Ito, B. Ucer, S. Baris, Y. Honkura, T. Kono, S. Hori, and R. Pektas,T. Komut,C. Celik,and A. M. Isikara, P-wave velocity structure of the crust and its relations to the occurrences of the 1999 Izmit, Turkey earthquake and aftershocks, Bull. Seismol. Soc. Am., 92, 330-338, 2002.

Nakamura, A., A. Hasegawa, N. Hirata, T. Iwasaki, and H. Hamaguchi, Temporal variations of seismic wave velocity associated with 1998 M6.1 Shizukuishi earthquake, Pure Appl. Geophys., 159, 1183-1204, 2002.

Matsuzawa, T., T. Igarashi, and A. Hasegawa, Characteristic small-earthquake sequence off Sanriku, northeastern Honshu, Japan, Geophys. Res. Lett., 29, doi:10.1029/2001GL014632, 2002.

Ito, A., B. Ucer, S. Baris, A. Nakamura, Y. Honkura, T. Kono, S. Hori, A. Hasegawa, R. Pektas, and A. M. Isikara, Aftershock activity of 1999 Izmit earthquake, Turkey, revealed from microearthquake observations, Bull. Seismol. Soc. Am., 92, 418-427, 2002.

五十嵐俊博・松澤暢・長谷川昭, 2002, 東北日本弧下の太平洋プレート内部に発生する稍深発地震活動の時空間変化, 地震2, 54, 465-474.

堀内茂木・根岸弘明・内田淳・口石雅弘・海野徳仁・松澤暢・岡田知己・長谷川昭, 2002, 高サンプリング地震観測システムの開発, 地震2, 55, 217-222.

弘瀬冬樹・中村綾子・長谷川昭, 2002, アスペリティの破壊に伴うb 値の変化−東北日本太平洋下のb値の時空間分布−, 地震2, 55, 249-260.

Umino, N., T. Okada, and A. Hasegawa, Foreshock and aftershock sequence of 1998 M5.0 Sendai, northeastern Japan, earthquake and Its Implications for earthquake nucleation, Bull. Seismol. Soc. Am., 92, 2465-2477, 2002.

弘瀬冬樹・中村綾子・中島淳一・長谷川昭, 2002, 東北日本弧下のマグマ供給源の分布−b値とS波速度から推定される島弧走向方向の変化−, 火山, 47, 475-480.

Komazawa, M., and M. Mishina, Caldera structure from gravity anomalies west of Nagamachi-rifu Fault, Northeast Japan, Earth Planets Space, 54, 1049-1053, 2002.

Nakamura, A., Y. Asano, and A. Hasegawa, Estimation of deep fault geometry of the Nagamachi-Rifu fault from seismic array observations, Earth Planets Space, 54, 1027-1031, 2002.

Sato, H., T. Imaizumi, T. Yoshida, H. Ito, and A. Hasegawa, Tectonic evolution and deep to shallow geometry of Nagamachi-Rifu Active Fault System, NE Japan, Earth Planets Space, 54, 1039-1043, 2002.

高橋浩晃・岡崎紀俊・石丸聡・森済・松島健・渡邊篤志・三浦哲・中尾茂・加藤照之,木股文昭,笠原稔, 2002, 2周波GPS受信機による2000年有珠山噴火前後の地殻変動観測, 火山, 47, 161-166.

内田直希・西村太志・吉本和生・中原恒・佐藤春夫・大竹政和・田中聡・浜口博之, 2002, 1998年岩手県内陸北部地震前後の地震波速度変化, 地震2, 55, 193-206.

Yabe, Y., Rate dependence of AE activity during frictional sliding, Geophys. Res. Lett., 29, 10.1029/2001GL014369, 2002.

Nakajima, J., T. Matsuzawa, and A. Hasegawa, Moho depth variation in the central part of northeastern Japan estimated form reflected and converted waves, Phys. Earth Planet. Inter., 130, 31-47, 2002.

Miura, S. , T. Sato, K. Tachibana, Y. Satake , and A. Hasegawa, Strain accumulation in and around Ou Backbone range, northeastern Japan as obsered by a dense GPS network, Earth Planets Space, 54, 1071-1076, 2002.

2001年

Tsukahara, H., R. Ikeda, and K. Yamamoto, In situ stress measurements in bore hole closeto the Nojima fault, The Island Arc, 10, 261-265, 2001.

Matsumoto, S., K. Obara, and A. Hasegawa, Characteristics of coda envelope for slant-stacked seismogram, Geophys. Res. Lett., 28, 1111-1114, 2001.

Yamamoto, K., and Y. Yabe, Stresses at sites close to the Nojima Fault measured on core samples, The Island Arc, 10, 266-281, 2001.

海野徳仁・伊藤喜宏・五十嵐俊博・長谷川昭, 2001, 1964年男鹿半島沖地震(M6.9):1983年海中部地震に19年先行したすべり?, 地震2, 53, 263-268.

Okada, T., N. Umino, Y. Ito, T. Matsuzawa, A. Hasegawa, and M. Kamiyama, Source processes of 15 September 1998 M5.0 Sendai, NE Japan, earthquake and its M3.8 foreshock by waveform inversion, Bull. Seismol. Soc. Am., 91, 1607-1618, 2001.

Nakajima, J., T. Matsuzawa, A. Hasegawa, and D. Zhao, Seismic imaging of arc magma and fluids under the central part of northeastern Japan, Tectonophysics, 341, 1-17, 2001.

松澤暢, 2001, 地震予知の戦略と展望, 地学雑誌, 110, 771-783.

Igarashi, T., T. Matsuzawa, N. Umino , and A. Hasegawa, Spatial distribution of focal mechanisms for interplate and intraplate earthquakes associated with the subducting Pacific plate beneath the northeastern Japan arc: A triple-plated deep seismic zone, J. Geophys. Res., 106, 2177-2191, 2001.

有吉慶介・加藤尚之・長谷川昭, 2001, 東海地域における近年の地殻変動及び地震活動の変化に関する数値シミュレーションによる検討, 地学雑誌, 110, 557-565.

Iwasaki, T., W. Kato, T. Moriya, A. Hasemi, N. Umino, T. Okada, K. Miyashita, T. Mizogami, T. Takeda , and S. Sekine, T. Matsushima, K. Tashiro, H. Miyamachi, Extensional structure in northern Honshu Arc as inferred from seismic refraction/wide-angle reflection profiling, Geophys. Res. Lett., 28, 2329-2332, 2001.

Mitsuhata, Y., Y. Ogawa, M. Mishina, T. Kono, T. Yokokura, and T. Uchida, Electromagnetic heterogeneity of the seismogenic region of 1962 Northern Miyagi Earthquake, northeastern Japan, Geophys. Res. Lett., 28, 4371-4374, 2001.

Ogawa, Y., M. Mishina, T. Goto, H. Satoh, N. Oshiman, T. Kasaya, Y. Takahashi, T. Nishitani, and S. Sakanaka,M. Uyeshima, Y. Takahashi, Y. Honkura,M. Matsushima, Magnetotelluric imaging of fluids in intraplate earthquake zone, NE Japan back arc, Geophys. Res. Lett., 28, 3741-3744, 2001.

宗田靖恵・松澤 暢・長谷川昭, 2001, レシーバー関数による東北日本弧の地殻・最上部マントル速度構造の推定, 地震2, 54, 347-363.

Wyss, M., A. Hasegawa, and J. Nakajima, Source and path of magma for volcanoes in the subduction zone of northeastern Japan, Geophys. Res. Lett., 28, 1819-1822, 2001.

Matsumoto, S., K. Obara, K. Yoshimoto, T. Saito, A. Ito, and A. Hasegawa, Temporal change in P-wave scatterer distribution associated with the M6.1 earthquake near Iwate volcano, northeastern Japan, Geophys. J. Int., 145, 48-58, 2001.

2000年

Zhao, D., F. Ochi, A. Hasegawa, and A. Yamamoto, Evidence for the location and cause of large crustal earthquakes in Japan, J. Geophys. Res., 105, 13579-13594, 2000.

Tsumura, N., S. Matsumoto, S. Horiuchi, and A. Hasegawa, Three-dimensional attenuation structure beneath the northeastern Japan arc estimated from spectra of small earthquakes, Tectonophysics, 319, 241-260, 2000.

Takanami, T., I.. S. Sacks, and A. Hasegawa, Attenuation structure beneath the volcanic front in northeastern Japan from broad-band seismograms, Phys. Earth Planet. Inter., 121, 339-357, 2000.

Smaglichenko, T.A., S. Horiuchi, A. Hasegawa, and A.V. Nikolaev, 3-D velocity structure around the 1996 magnitude 5.9 Onikobe earthquake derived by an inversion method, Volcanology and Seismology, 22, 195-211, 2000.

岡田知己・長谷川昭, 2000, 東北地方地殻深部に発生する低周波小地震の活動とモーメントテンソル解, 火山, 45, 47-63.

Miura, S., S. Ueki, T. Sato, K. Tachibana, and H. Hamaguchi, Crustal deformation associated with the 1998 seismo-volcanic crisis of Iwate Volcano, Northeastern Japan, as observed by a dense GPS network, Earth Planets Space, 52, 1003‐1008, 2000.

Hino, R., S. Ito, H. Shiobara, H. Shimamura, T. Sato, T. Kanazawa, and J. Kasahara and A. Hasegawa, Aftershock distribution of the 1994 Sanriku-oki earthquake (Mw 7.7) revealed by ocean bottom seismographic observation, J. Geophys. Res., 105, 21697-21710, 2000.

Hasegawa, A., A. Yamamoto, N. Umino, S. Miura, S. Horiuchi, D. Zhao, and H. Sato, Seismic activity and deformation process of the crust within the overriding plate in the northeastern Japan subduction zone, Tectonophysics, 319, 225-239, 2000.

Ito, S., Hino R., Matsumoto S., Shiobara H., Kanazawa T., Sato T., Kasahara J., and Hasegawa A., Deep seismic structure of seismogenic plate boundary in the off-Sanriku region, northeastern Japan, Tectonophysics, 319, 261-274, 2000.

Nishimura, T., S. Miura, K. Tachibana, K. Hashimoto, T. Sato, S. Hori, E. Murakami, T. Kono, and K. Nida, M. Mishina, T. Hirasawa, S. Miyazaki, Distribution of seismic coupling on the subducting plate boundary in northeastern Japan inferred from GPS observations, Tectonophysics, 323, 217-238, 2000.

1999年

Heki, K., S. Miyazaki, H. Takahashi, M. Kasahara, F. Kimata, S. Miura, N. Vasilenco, A. Ivashchenco , and K. An, The Amurian plate motion and current plate kinematics in Eastern Asia, J. Geophys. Res., 104, 29147-29155, 1999.

Sato, T., G. Fujie, S. Koresawa, J. Kasahara, K. Tanaka, S. Honda, T. Yokota, K. Nakamura, and H. Naito, Y. Ishikawa, T. Hirasawa, Seismic observations at a seismic gap in the eastern margin of the Japan Sea using ocean bottom seismometers, Tectonophysics, 302, 1-7, 1999.

松本聡・小原一成・吉本和生・斎藤竜彦・長谷川昭・伊東明彦, 1999, 短スパンアレイ観測による奥羽脊梁山地周辺の地殻不均質構造のイメージング, 地震2, 52, 283-297.

Kato, N., and T. Hirasawa, A model for possible crustal deformation prior to a coming large inter-plate earthquake in the Tokai district, central Japan, Bull. Seismol. Soc. Am., 89, 1401-1417, 1999.

Kato, N., and T. Hirasawa, Nonuiform and unsteady sliding of a plate boundary in a great earthquake cycle: A numerical simulation using a laboratory-derived friction law, Pure Appl. Geophys., 155, 93-118, 1999.

堀内茂木・松澤暢・長谷川昭, 1999, 地震が多発した場合にも処理可能な地震波自動処理システムの開発, 地震2, 52, 241-254.

浅野陽一・海野徳仁・中村綾子・岡田知己・堀修一郎・河野俊夫・仁田交市・佐藤俊也・長谷川昭・小菅正裕・長谷見晶子, 1999, DATアレイ地震観測による奥羽脊梁山地およびその周辺域における地震波散乱体分布の推定, 地震2, 52, 379-394.

Adachi, Y., Sato H., Muro K., Hasegawa A., and Matsumoto S., Three-dimensional thermal structure of the crust beneath the Nikko volcano group, Japan, J. Volcano. Soc. Japan, 44, 183-190, 1999.

堀修一郎・長谷川昭, 1999, 恐山直下の上部マントルに見出された顕著なS波反射面, 火山, 44, 83-91.

Kato, N., and T. Hirasawa, The variation of stresses due to aseismic sliding and its effect on seismic activity, Pure Appl. Geophys., 155, 425-442, 1999.

Kato, N., T. Satoh, X. Lei., K. Yamamoto, and T. Hirasawa, Effects of fault bend on the rupture propagation process of stick-slip, Tectonophysics, 310, 81-99, 1999.

Nakamura, A., Horiuchi S., and Hasegawa A., Joint focal mechanism determination with source-region station corrections using short period body wave amplitude data, Bull. Seism. Soc. Am., 89, 373-383, 1999.

Takahashi, M., M. Kasahara, F. Kimata, S. Miura, K. Heki, T. Seno, T. Kato, N. Vasilenko, and A. Ivashchenko,V. Bahtiarov, V. Levin, E. Gordeev, F. Korchagin,M. Gerasimenko, Velocity field of around the Sea of Okhotsk and Sea of Japan regions determined from a new continuous GPS network data, Geophys. Res. Lett., , 26, 2533-2536, 1999.

竹田順子・飯尾能久・小林洋二・山本清彦・佐藤春夫・大見士郎・伊藤久男・池田隆司・山本英二, 1999, Vp/Vs比から推定される震源域の飽和度とサイスミシティーの関係−長野県西部地域稠密観測データを用いて−, 地震2, 51, 419-430.

Ichiki, M., M. Mishina, T. Goto, N. Oshiman, N. Sumitomo, and H. Utada, Magnetotelluric investigation for the seismically active area in northern Miyagi Prefecture, northeastern Japan, Earth Planets Space, 51, 351-361, 1999.

1998年

山本清彦, 1998, 岩石試料の破壊予測と地震発生の予測可能性, 地震2, 50別冊, 169-180.

長谷川昭・堀内茂木・深尾良夫, 1998, 長期予測のための調査観測, 地震2, 50別冊, 191-199.

海野徳仁・松澤暢・堀修一郎・中村綾子・山本明・長谷川昭・吉田武義, 1998, 1996年8月11日宮城県鬼首付近に発生した地震について, 地震2, 51, 253-264.

小野寺充・堀内茂木・長谷川昭, 1998, Vp/Vsインヴァージョンによる1996年鬼首地震震源域周辺の3次元地震波速度構造, 地震2, 51, 265-279.

Matsumoto, S., K. Obara, and A. Hasegawa, Imaging P-wave scatterer distribution in the focal area of the 1995 M7.2 Hyogo-ken Nanbu(Kobe) Earthquake, Geophys. Res. Lett., 25, 1439-1442, 1998.

Sato, H., K. Muro, and A. Hasegawa, Three-dimensional mapping of island arc magma from seismic data: The mantle wedge beneath northeastern Japan, Pure Appl. Geophys., 153, 377-398, 1998.

1997年

Kato, N., and T. Hirasawa, A numerical study on seismic coupling along subduction zones using a laboratory-derived friction law, Phys. Earth Planet. Inter., 102, 51-68, 1997.

佐藤博樹・室健一・長谷川昭・松本聡, 1997, 地震波速度構造による地殻内温度分布の見積り, 地震2, 50, 341-343.

Rocco, G. F. E, S. Horiuchi , and A. Hasegawa, Study on the state of stress around earthquake swarm areas using P-wave polarity data? Nikko-Ashio and Teishi Knoll areas, J. Phys. Earth, 45, 29-40, 1997.

Horiuchi, S., N. Tsumura, and A. Hasegawa, Mapping of a magma reservior beneath Nikko-shirane volcano in northern Kanto, Japan, from travel time and seismogram shape anomalies, J. Geophys. Res., 102, 18071-18090, 1997.

長谷川昭・松本聡, 1997, 地震波から推定した日光白根火山群の深部構造, 火山, 42 Special Issue, 147-155.

松本聡・長谷川昭, 1997, 日光白根火山周辺域におけるS波反射面の分布, 火山, 42, 127-139.

岡田知己・松澤暢・松本聡・河野俊夫・仁田交市・長谷川昭・伊東明彦・藤田英輔・小原一成・笠原敬司・小菅正裕, 1997, 日光白根山付近に発生した微小地震と孤立型微動のモーメントテンソルインヴァージョン, 地震2, 50, 37-48.

室健一・佐藤博樹・長谷川昭・橋爪光, 1997, 東北日本弧の部分溶融域と地震活動の3次元分布, 火山, 42 Special Issue, 139-146.

Hasemi, A., T. Matsuzawa, A. Hasegawa, N. Umino, T. Kono, S. Hori, A. Ito, S. Suzuki , and H. Ishikawa, Q and site amplification factors of hard-rock region in the Kitakami massif, northeastern Japan, J. Phys. Earth, 45, 417-431, 1997.

加藤照之・J.P.L.Catane・茶珎俊一・藤森邦夫・平原和朗・細 善信・市川隆一・井口博夫・伊勢崎修弘・岩淵哲也, 笠原稔, 木股文昭, 小竹美子, 久保篤規, 熊谷博之, 松島健, 三浦哲, 中村佳重郎, 中野健秀, 中尾茂, 奥田隆, 大塚成昭, 田部井隆雄, 田所敬一, 高橋浩晃, 寺島敦, 徳山明, 山本剛靖, 山岡耕春, 1997, 兵庫県南部地震(1995年1月17日)におけるGPS観測, 測地学会誌, 43, 181-207.

Kato, N., M. Ohtake, and T. Hirasawa, Possible mechanism of precursory seismic quiescence: Regional stress relaxation due to preseismic sliding, Pure Appl. Geophys., 150, 249-267, 1997.

加藤尚之・平澤朋郎, 1997, プレート境界面で発生する余効すべりの数値シミュレイション, 地震2, 50, 241-250.

1996年

Kanda, W., H. Utada, M. Mishina, and N. Sumitomo, A deep transient EM experiment in the northern part of Miyagi Prefecture, Northeastern Japan, J. Geomag. Geoelec., 48, 1265-1280, 1996.

Tsumura, N., A. Hasegawa, and S. Horiuchi, Simultaneous estimation of attenuation structure, source parameters and site response spectra using small earthquakes recorded at many stations, Phys. Earth Planet. Inter., 93, 105-121, 1996.

Matsumoto, S., and A. Hasegawa, Distinct S-wave reflector in the mid-crust beneath Nikko-Shirane volcano in the northeastern Japan arc, J. Geophys. Res., 101, 3067-3083, 1996.

佐藤博樹・長谷川昭, 1996, 東北日本上部マントルの部分溶融域のマッピング−島弧におけるマグマの上昇, 火山, 41, 115-125.

開原貴美・堀内茂木・長谷川昭・仁田交市・河野俊夫・堀修一郎・笠原敬司, 1996, 多点アレイ地震観測による短周期地震波形の空間変化と表層地盤構造, 地震2, 49, 169-177.

Hirahara, K., T. Nakano, M. Kasahara, H. Takahashi, R. Ichikawa, S. Miura, T. Kato, S. Nakao, and Y. Hirata,Y. Kotake, T. Chachin, F. Kimata, Y. Yamaoka, T. Okuda, H. Kumagai, K. Nakamura, K. Fujimori, T. Yamamoto, T. Terashima, J. P. L. Catane, K. Tadokoro, A. Kubo, S. Otsuka, A. Tokuyama, T. Tabei, T. Iwabuchi, T. Matsushima, GPS observation of postseismic crustal movements in the focal region of the 1995 Hyogo-ken Nanbu earthquake -static and real-time kinematic GPS observation- , J. Phys. Earth, 44, 301-315, 1996.

Hino, R., T. Kanazawa, and A. Hasegawa, Interplate seismic activity near the northern Japan Trench deduced from ocean bottom and land-based seismic observations, Phys. Earth Planet. Inter., 93, 37-52, 1996.

Kosuga, M., T. Sato, A. Hasegawa, T. Matsuzawa, S. Suzuki, and Y. Motoya, Spatial distribution of intermediate-depth earthquakes with horizontal or vertical nodal planes beneath northeastern Japan, Phys. Earth Planet. Int., 93, 63-89, 1996.

Kato, N., and T. Hirasawa, Effects of strain rate and strength nonuniformity on the slip nucleattion process: A numerical experiment, Tectonophysics, 265, 299-311, 1996.

鍵山恒臣・歌田久司・上嶋誠・増谷文雄・神田径・田中良和・増田秀晴・村上英記・塩崎一郎・市來雅啓・行武毅・茂木透・網田和宏・大志万直人・三品正明, 1996, 霧島火山群中南東部の比抵抗構造, 火山, 41, 215-225.

1995年

Umino, N., A. Hasegawa, and T. Matsuzawa, sP depth phase at small epicentral distances and estimated subducting plate boundary, Geophys. J. Int., 120, 356-366, 1995.

Okada, T., T. Matsuzawa, and A. Hsegawa, Shear wave polarization anisotropy beneath the northeastern part of Honshu, Japn, Geophys. J. Int., 123, 781-797, 1995.

Horiuchi, S., G. Rocco, and A. Hasegawa, Discrimination of fault planes from auxiliary planes based on simultaneous determination of stress tensor and a large number of fault plane solutions, J. Geophys. Res., 100, 8327-8338, 1995.

松本聡・津村紀子・開原貴美・岡田知己・堀内茂木・長谷川昭・伊東明彦, 1995, 日光周辺域におけるアレイ観測から得られたPコーダ波の性質と不均質構造, 地震2, 48, 387-399.

佐藤博樹・長谷川昭, 1995, 東北日本上部マントルの部分溶融域と低周波微小地震・地殻内反射面との対応について, 地震2, 48, 433-434.

1994年

Zhao, D., A. Hasegawa, and H. Kanamori, Deep structure of Japan subduction zone as derived from local, regional and teleseismic events, J. Geophys. Res., 99, 22313-22329, 1994.

Okada, T., T. Matsuzawa, S. Matsumoto, K. Nida, A. Ito , and A. Hasegawa, Shear wave splitting observed in the southwestern part of Fukushima Prefecture, northeastern Japan, J. Phys. Earth., 42, 303-319, 1994.

伊東明彦・鈴木将之・長谷川昭・松本聡・堀内茂木・松澤暢・山本明・海野徳仁・河野俊夫・堀修一郎・津村紀子・田中和夫・佐藤魂夫・小菅正裕・笠原稔・岡山宗夫・長谷見晶子, 1994, 栃木県西部の日光・足尾地域における微小地震活動, 地震2, 47, 287-302.

Hasegawa, A., S. Horiuchi, and N. Umino, Seismic structure of the northeastern Japan convergent margin : A synthesis, J. Geophys. Res., 99, 22295-22311, 1994.

Hasegawa, A., and A. Yamamoto, Deep, low-frequency microearthquakes in or around seismic low-velocity zones beneath active volcanoes in northeastern Japan, Tectonophysics, 233, 233-252, 1994.

長谷見晶子・松澤暢・長谷川昭・海野徳仁・河野俊夫・堀修一郎・伊東明彦・鈴木貞臣・石川春義, 1994, 北上山地中央部における爆破地震動の観測, 地震2, 47, 263-271.

Kato, N., K. Yamamoto, and T. Hirasawa, Microfracture processes in the breakdown zone during dynamic shear rupture inferred from laboratory observation of near-field high-frequency strong motion, Pure Appl. Geophys., 142, 713-734, 1994.

Miyamachi, H., M. Kasahara, S. Suzuki, K. Tanaka , and A. Hasegawa, Seismic velocity structure in the crust and upper mantle beneath northern Japan, J. Phys. Earth., 42, 269-301, 1994.

Umino, N., and A. Hasegawa, Aftershock focal depths of the 1993 Hokkaido-Nansei-oki Earthquake estimated from sP depth phase at small epicentral distances, J. Phys. Earth., 42, 321-329, 1994.

Zhao, D., and A. Hasegawa, Teleseismic evidence for lateral heterogeneities in the northeastern Japan arc, Tectonophysics, 237, 189-199, 1994.

1993年

佐藤俊也・三浦哲・立花憲司, 1993, チェビシェフ近似多項式を用いた地殻水平変動の連続的表示方法, 測地学会誌, 39, 263-274.

Zhao, D., and A. Hasegawa, P-wave tomographic imaging of the crust and upper mantle beneath the Japan Islands, J. Geophys. Res., 98 , 4333-4353, 1993.

津村紀子・堀内茂木・長谷川昭・笠原敬司, 1993, 山梨県東部におけるフィリピン海プレート上部境界面の位置−SP変換波による推定−, 地震2, 46, 109-118.

Miura, S., K. Tachibana, K. Hashimoto, E. Murakami, T. Kono, K. Nida, T. Sato, and S. Hori, GPS observation for regional crustal deformation around the northeastern Japan arc, J. Geod. Soc. Japan, 39, 167-178, 1993.

Kato, N., K. Yamamoto, H. Yamamoto, and T. Hirasawa, A Stress-Corrosion model for strain-rate dependence of the frictional strength of rocks, Int. J. Rock Mech. Min. Sci. Geomech. Abstr., 30, 551-554, 1993.

堀内茂木・松澤暢・松本聡・津村紀子・長谷川昭・堀修一郎・海野徳仁・河野俊夫・仁田交市・小菅正裕・佐藤魂夫, 1993, 高密度アレイ爆破観測による1931年小国地震震源域周辺の地震波錯乱体の分布, 地震2, 46, 75-84.

河野俊夫・仁田交市・松本聡・堀内茂木・岡田知己・開原貴美・長谷川昭・堀修一郎・海野徳仁, 鈴木将之, 1993, 1962年宮城県北部地震(M6.5)震源域における微小地震活動, 地震2, 46, 85-94.

Umino, N., and I. S. Sacks, Magnitude-Frequency Relations for Northeastern Japan, Bull. Seism. Soc. Am., 83, 1492-1506, 1993.

Hasegawa, A., A. Yamamoto, D. Zhao, S. Hori, and S. Horiuchi, Deep structure of arc volcanoes as inferred from seismic observations, Phil. Trans. Roy. Soc. London, 342, 167-178, 1993.

1992年

Zhao, D., A. Hasegawa, and S. Horiuchi, Tomographic imaging of P and S wave velocity structure beneath northeastern Japan, J. Geophys. Res., 97 , 19909-19928, 1992.

加藤尚之・山本清彦・山本英和・平澤朋郎, 1992, 岩石の固着−すべりにみられる断層至近距離の高周波震動, 地震2, 45, 305-315.

堀内茂木・津村紀子・長谷川昭・堀修一郎・仁田交市, 1992, 微弱反射波検出のための高密度アレイ地震観測システム, 地震2, 45, 255-258.

Horiuchi, S., and others, The 1986 Joint Seismological Research in Western Nagano Prefecture ?Hypocenter locations by a dense network?, J. Phys. Earth, 40, 313-326, 1992.

Hirahara, K., and The Member of Joint Seismological Research, Three- dimensional P and S wave velocity structure in the focal region of the 1984 western Nagano Prefecture earthquake, J. Phys. Earth, 40, 343-360, 1992.

Horiuchi, S., T. Matsuzawa, and A. Hasegawa, A realtime processing system using personal computers observed in the 1986 Joint Seismological Research in Western Nagano Prefecture, J. Phys. Earth, 40, 395-406, 1992.

Inamori, T., S. Horiuchi, and A. Hasegawa, Location of mid-crustal reflectors by a reflection method using aftershock waveform data in the focal area of the 1984 Western Nagano Prefecture Earthquake, J. Phys. Earth, 40, 379-393, 1992.

Kato, N., K. Yamamoto, H. Yamamoto, and T. Hirasawa , Strain-rate effect on frictional strength and the slip nucleation process, Tectonophysics, 211, 269-282, 1992.

Minoura, K., and Hasegawa, A. , Crustal structure and its evolution in the northeastern Japan arc, Island Arc, 1, 2-15, 1992.

Yamazaki, F., and The Member of Joint Seismological Research, Focal mechanism analyses of aftershocks of the 1984 western Nagano Prefecture earthquake, J. Phys. Earth, 40, 327-341, 1992.

Zhao, D., S. Horiuchi, and A. Hasegawa, Seismic velocity structure of the crust beneath the Japan Islands, Tectonophysics, 212 , 289-301, 1992.

1991年

Kisslinger, C., and A. Hasagawa, Seismotectonics of intermediate depth earthquakes from properties of aftershock sequences, Tectonophysics, 197, 27-40, 1991.

長谷川昭・趙大鵬・山本明・堀内茂木, 1991, 地震波からみた東北日本の火山の深部構造と内陸地震の発生機構, 火山, 36, 197-210.

Lu, Z., N. Kato, K. Yamamoto, and T. Hirasawa, Experimental research on the stop or delay effects of weak barrier influencing on main fault in the unstable process of stick-slip, Acta Seism. Sinica, 4, 579-592, 1991.

Kato, N., K. Kusunose, K. Yamamoto, and T. Hirasawa, Slowly propagating slip events in a composite sample of granite and marble, J. Phys. Earth, 39, 461-476, 1991.

Hasegawa, A., D. Zhao, S. Hori, A. Yamamoto, and S. Horiuchi, Deep structure of the northeastern Japan arc and its relationship to seismic and volcanic activity, Nature, 352, 683-689, 1991.

堀修一郎・長谷川昭, 1991, 微小地震反射波から推定される秋田県森吉山直下の地殻深部溶融体, 地震2, 44, 39-48.

Matsumoto, S., and A. Hasagawa, Estimation of relative site effect, coda Q and scattering strength from the records obtained by a large airgun experiment, Phys. Earth Planet. Inter., 67, 95-103, 1991.

長谷川昭, 1991, 微小地震活動の時空特性, 地震2, 44(-9), 329-340.

1990年

岡崎紀俊・田中和夫・三品正明, 1990, 秋田駒ケ岳・女岳の構造, 火山, 35, 375-388.

Matsuzawa, T., T. Kono, A. Hasegawa, and A. Takagi, Subducting plate boundary beneath the northeastern Japan arc estimated from SP converted waves, Tectonophysics, 181, 123-133, 1990.

木股文昭・角野由夫・宮島力男・奥田隆・石井紘・村田一郎・加藤照之・大久保修平・松本滋夫・平田安廣, 綿田辰吾, 三浦哲, 立花憲司, 中尾茂, 仁田交市, 金沢敏彦, 矢吹哲一朗, 芝崎文一郎, 里村幹夫, 佐々木祐治, 臼井和平, 藤井陽一郎, 長坂健一, 川合栄治, 河合晃治, 1990, 相模湾GPS合同集中観測−Trimble 4000SDによる観測と解析−, 測地学会誌, 36, 155-167.

村田一郎・笠原稔・山本明彦・市川隆一・三浦哲・立花憲司・中尾茂・仁田交市・藤井陽一郎・長坂健一, 金沢敏彦, 脇田宏, 矢吹哲一朗, 芝崎文一郎, 加藤照之, 大久保修平, 綿田辰吾, 川合栄治, 石井紘, 松本滋夫, 平田安廣, 里村幹夫, 佐々木祐治, 臼井和平, 木股文昭, 角野由夫, 奥田隆, 宮島力男, 中村勝, 中村佳重郎, 伊藤潔, 薮田豊, 藤原智, 田中寅夫, 平原和朗, 細善信, 小泉誠, 田部井隆雄, 1990, 相模湾周辺におけるGPS観測(概論) , 測地学会誌, 36, 23-36.

Nishizawa, A., T. Kono, A. Hasagawa, T. Kanazawa, T. Iwasaki, and T. Hirasawa, Spatial distribution of earthquakes off Sanriku, northeastern Japan, in 1989 determined by Ocean-Bottom and Land-Based observation, J. Phys. Earth, 38, 347-360, 1990.

堀内茂木・植木貞人・西澤あずさ・趙大鵬・日野亮太・長谷川昭・松澤暢・河野俊夫・仁田交市・長谷見晶子・佐藤魂夫・伊東明彦, 1990, 磐梯山の山体を通過する地震波形記録からみた溶融体の規模について, 地震2, 43, 379-387.

1989年

西城忠泰・長谷川昭・海野徳仁・高木章雄・増田徹, 1989, 宮城県釜房ダム周辺の微小地震活動 (II), 地震2, 42, 91-103.

長谷川昭・堀内茂木・植木貞人・西澤あずさ・松澤暢・海野徳仁・堀修一郎・稲盛隆穂・松本聡・浜口博之・高木章雄・田中和夫・鈴木将之・末広潔, 1989, エアガンによる磐梯山周辺域の地殻構造探査, 地震2, 42, 161-169.

松本聡・長谷川昭, 1989, エアガン実験で観測されたコーダ波の振幅特性, 地震2, 42, 317-324.

加藤尚之・桑原保人・山本清彦・平澤朋郎, 1989, 強度が不均一な場で生成される破壊面の形状について, 地震2, 42, 365-369.

Nakao, S., A. T. Linde, S. Miura, M. Mishina , and A. Takagi, Nonlinear barometric response of borehole strainmeter and its interpretation, Earth Planets Space, 37, 357-383, 1989.

Miura, S., H. Ishii , and A. Takagi, Migration of vertical deformations and coupling of island arc plate and subducting plate, Geophys. Monograph, 49/IUGG ser. 4, 125-138, 1989.

Matsumoto, S., and A. Hasagawa, Two-dimensional coda Q structure beneath Tohoku, northeastern Japan, Geophys. J. Int., 99, 101-108, 1989.

1988年

浜口博之・長谷川昭・植木貞人・高木章雄, 1988, 磐梯山周辺の地震活動と地殻構造, 地学雑誌, 97, 91-98.

Linde, A. T., K. Suyehiro, S. Miura, I. S. Sacks, and A. Takagi, Episodic aseismic earthquake precursors, Nature, 334, 513-515, 1988.

中尾茂・西澤あずさ・高木章雄・飯高隆・末広潔・木下肇・島村英紀, 1988, 北西太平洋海中発破地震動の陸上における観測, 地震2, 41, 125-128.

長谷川昭・海野徳仁・山本明・高木章雄, 1988, 自動処理システムが捉えた北西太平洋海中爆破地震動, 地震2, 41, 609-612.

1987年

長谷川昭・山本明・海野徳仁・高木章雄・佐藤孝雄, 1987, 福島県いわき沖合40km地点におけるハイドロフォン連続観測, 地震2, 40, 533-540.

Izutani, Y., and T. Hirasawa, Rapid estimation of fault parameters for Near-Field Tsunami warning, Nat. Disast. Sci., 9, 99-113, 1987.

Izutani, Y., and T. Hirasawa, Use of strong motion duration for rapid evaluation of fault parameters , J. Phys. Earth, 35, 171-190, 1987.

堀内茂木・松澤暢・長谷川昭, 1987, パソコンを用いた多チャンネルディジタル記録システム, 地震2, 40, 119-122.

 
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