• Takahashi, H., R. Hino, N. Uchida, T. Matsuzawa, Y. Ohta, S. Suzuki, M. Shinohara, Tectonic tremors immediately after the 2011 Tohoku-Oki earthquake detected by near-trench seafloor seismic observations, Prog. Earth Planet. Sci., 9,66, doi:10.1186/s40645-022-00525-z, 2022.[PDF]
  • Yoshida, K., N. Uchida, H. Kubo, R. Takagi, S. Xu, Prevalence of updip rupture propagation in interplate earthquakes along the Japan Trench, Earth Planet. Sci. Lett., 578,15, doi:10.1016/j.epsl.2021.117306, 2022.[PDF]
  • Yoshida, K., T. Matsuzawa, N. Uchida, The 2021 Mw7. 0 and Mw6. 7 Miyagi‐Oki earthquakes nucleated in a deep seismic/aseismic transition zone Possible effects of transient instability due to the 2011 Tohoku earthquake, J. Geophys. Res., 127, 8, e2022JB024887, doi: 10.1029/2022JB024887, 2022.[PDF]
  • 2021

  • Uchida, N., R. Bürgmann, A Decade of Lessons Learned from the 2011 Tohoku-oki Earthquake, Review of Geophysics, 59(2), doi:10.1029/2020RG0007132021, 2021.[PDF]
  • Tanioka, Y., N. Uchida, A. R. Gusman, M. Shishikura, T. Nishimura, Special issue,“Kurile arc subduction zone: View of great earthquake generation and disaster mitigation of related phenomena”, Earth, Planets and Space, 73, 1, doi:10.1186/s40623-021-01456-7, 2021.[PDF]
  • Susukida, Y., K. Katsumata, M. Ichiyanagi, M. Ohzono, H. Aoyama, R. Tanaka, M. Takada, T. Yamaguchi, K. Okada, H. Takahashi, S. Sakai, S. Matsumoto, T. Okada, T. Matsuzawa, H. Miyamachi, S. Hirano, Y. Yamanaka, S. Horikawa, M. Kosuga, H. Katao, Y. Iio, A. Nagaoka, N. Tsumura, T. Ueno, The Group for the Aftershock Observations of the 2018 Hokkaido Eastern Iburi Earthquake, Special issue,Focal mechanisms and the stress field in the aftershock area of the 2018 Hokkaido Eastern Iburi earthquake (MJMA = 6.7), Earth, Planets and Space, 73, 1, doi:10.1186/s40623-020-01323-x, 2021.[PDF]
  • 2020

  • Uchida, N., J. Nakajima, K. Wang, R. Takagi, K. Yoshida, T. Nakayama, R. Hino, T. Okada, and Y. Asano, Stagnant forearc mantle wedge inferred from mapping of shear-wave anisotropy using S-net seafloor seismometers, Nature Communications,11(1), 5676, doi:10.1038/s41467-020-19541-y, 2020.[PDF]
  • Yoshida, K., N. Uchida, S. Hiarahara, T. Nakayama, T. Matsuzawa, T. Okada, Y. Matsumoto, A. Hasegawa, 2019 M6.7 Yamagata-Oki earthquake in the stress shadow of 2011 Tohoku-Oki earthquake: Was it caused by the reduction in fault strength?, Tectonophysics,793, 228609, doi:10.1016/j.tecto.2020.228609, 2020.[PDF]
  • Tomita, F., T. Iinuma, Y. Ohta, R. Hino, M. Kido, N. Uchida, Improvement on spatial resolution of a coseismic slip distribution using postseismic geodetic data through a viscoelastic inversion, Earth, Planets and Space, 72, 84, doi:10.1186/s40623-020-01207-0, 2020.[PDF]
  • Khoshmanesh, M., M. Shirzaei, N. Uchida, Deep slow-slip events promote seismicity in northeastern Japan megathrust, Earth and Planetary Science Letters, 116261, 2020. [PDF]
  • Uchida, N., R. Takagi, Y. Asano, and K. Obara, Migration of shallow and deep slow earthquakes toward the locked segment of the Nankai megathrust, Earth and Planetary Science Letters, 115986, 10.1016/j.epsl.2019.115986, 2020. [PDF]
  • 2019

  • Takagi, R., N. Uchida, T. Nakayama, R. Azuma, A. Ishigami, T. Okada, T. Nakamura, and K. Shiomi, Estimation of the Orientations of the S‐net Cabled Ocean‐Bottom Sensors, Seismological Research Letters, 90(6), 2175-2187, doi:10.1785/0220190093, 2019. [PDF]
  • Fukushima, Y., M. Hashimoto, M. Miyazawa, N. Uchida and T. Taira, Surface creep rate distribution along the Philippine fault, Leyte Island, and possible repeating of Mw ~ 6.5 earthquakes on an isolated locked patch, Earth, Planets and Space, 71(1), doi:10.1186/s40623-019-1096-5, 2019. [PDF]
  • Ito, A., T. Tonegawa, N. Uchida, Y. Yamamoto, D. Suetsugu, R. Hino, H. Sugioka, K. Obana, K. Nakahigashi, and M. Shinohara, Configuration and structure of the Philippine Sea Plate off Boso, Japan: constraints on the shallow subduction kinematics, seismicity, and slow slip events, Earth, Planets and Space, 71(1), doi:10.1186/s40623-019-1090-y, 2019. [PDF]
  • Uchida, N., D. Kalafat, A. Pinar, and Y. Yamamoto, Repeating earthquakes and interplate coupling along the western part of the North Anatolian Fault, Tectonophysics, 769, 228185, doi:10.1016/j.tecto.2019.228185, 2019. [PDF]
  • Nishikawa, T., T. Matsuzawa, K. Ohta, N. Uchida, T. Nishimura, and S. Ide, The slow earthquake spectrum in the Japan Trench illuminated by the S-net seafloor observatories, Science, 365, 808-813, doi:10.1126/science.aax5618, 2019. [PDF]
  • Honsho, C., M. Kido, F. Tomita, and N. Uchida, Offshore Postseismic Deformation of the 2011 Tohoku Earthquake Revisited: Application of Improved GPS-Acoustic Positioning Method Considering Sloping Sound Speed Structure, J. Geophys. Res., 124(6): 5990-6009, 10.1029/2018JB017135, 2019. [PDF]

  • N. Uchida, Detection of repeating earthquakes and their application in characterizing slow fault slip, Prog. Earth. Planet. Sci., 6(1): 40, doi:10.1186/s40645-019-0284-z, 2019. [PDF]

  • Takagi, R., N. Uchida and and K. Obara, Along-strike variation and migration of long-term slow slip events in the western Nankai subduction zone, Japan, J. Geophys. Res., doi:10.1029/2018JB016738, 2019. [PDF]

  • N. Uchida and R. Burgmann, Repeating earthquakes, Annu. Rev. Earth Planet. Sci., 47, doi:10.1146/annurev-earth-053018-060119, 2019. [PDF]


  • Kano, M., N. Aso, S. Annoura, R. Arai, K. Chao, K. Heki, S. Itaba, Y. Ito, and N. Kamaya, T. Maeda, J. Maury, M. Nakamura, T. Nishimura, K. Obana, H. Sugioka, R. Takagi, T. Takahashi, A. Takeo, Y. Tu, N. Uchida, Y. Yamashita, T. Matsuzawa, S. Ide and K. Obara, Development of Slow Earthquake Database, Seismol. Res. Lett., 89 (4), 1566-1575, doi:10.1785/0220180021, 2018. [PDF]

  • Nakajima, J., and N. Uchida, Repeated drainage from megathrusts during episodic slow slip, Nature Geoscience, 11, 351-356, doi:10.1038/s41561-018-0090-z, 2018. [PDF]

  • 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, 681-690, 2018. [PDF]


  • 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(8), 3580-3590, doi:10.1002/2017GL072876, 2017. [PDF]

  • 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., 122(7), 5160-5180, 10.1002/2016JB013914, 2017. [PDF]

  • 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(1), 468-481, doi:10.1093/gji/ggw395, 2017. [PDF]


  • Ariyoshi, K., H. Matsumoto, T. Iinuma, A. Nagano, T. Hasegawa, M. Kido, N. Uchida, T. Igarashi, and Y. Yamashita, Extraction of crustal deformations and oceanic fluctuations from ocean bottom pressures, OCEANS 2016 MTS/IEEE Monterey, 2016, 1-5, doi: 10.1109/OCEANS.2016.7761035, 2016. [PDF]

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

  • 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(2), 1030-1048, doi: 10.1093/gji/ggw313, 2016. [PDF]

  • 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. [PDF]

  • Iinuma, T., R. Hino, N. Uchida, W. Nakamura, M. Kido, Y. Osada, and S. Miura, Seafloor observations indicate spatial separation of coseismic and postseismic slips in the 2011 Tohoku earthquake, Nature Communications, 7, doi:10.1038/ncomms13506, 2016. [PDF] [Supplement PDF]

  • 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. [PDF]

  • Uchida, N., T. Iinuma, R. M. Nadeau, R. Bürgmann, and R. Hino, Periodic slow slip triggers megathrust zone earthquakes in northeastern Japan, Science, 351(6272), 488-492, doi:10.1126/science.aad3108, 2016. [PDF] [Supplement PDF]

  • 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(3), 1619-1633, 2016. [PDF] [Supplement PDF]

  • 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. [PDF]


  • Ariyoshi, K., A. Nagano, T. Hasegawa, M. Kido, R. Nakata, H. Matsumoto, N. Uchida, and T. Igarashi, A trial extraction of crustal deformation from seafloor hydraulic pressure gauges to estimate interplate coupling for subduction plate boundaries, Proceedings of the 12th SEGJ International Symposium, Tokyo, Japan, 18-20 November 2015, 245-247, 2015. [PDF]

  • 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. [PDF] [Supplement PDF]

  • 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(2), 741-763, 2015. [PDF]

  • 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(1), 259-274, doi:10.1002/2013JB010933, 2015. [PDF]


  • 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(23), 8325-8334, 2014. [PDF]

  • 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. [PDF]

  • 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(1), 287-298, doi:10.1016/j.epsl.2014.06.037, 2014. [PDF]

  • Shirzaei, M., R. Burgmann, N. Uchida, Y. Hu, F. Pollitz, and T. Matsuzawa, Seismic versus aseismic slip: Probing mechanical properties of the northeast Japan subduction zone, Earth Planet. Sci. Lett., 406, 7-13, doi:10.1016/j.epsl.2014.08.035, 2014. [PDF]


  • 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. [PDF]

  • 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. [PDF]

  • 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. [PDF]

  • 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. [PDF]


  • 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. [PDF]

  • 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. [PDF]

  • 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. [PDF]


  • 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(12), 1207-1211, 2011. [PDF]

  • 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. [PDF]

  • 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(5), 2355-2368, 2011. [PDF]

  • 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. [PDF]


  • 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. [PDF]

  • 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(B07309), doi:10.1029/2009JB006962, 2010. [PDF]


  • 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(1), 256-264, 2009. [PDF]

  • 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. [PDF]

  • 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. [PDF]

  • 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. [PDF]


  • 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. [PDF]

  • 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. [PDF]


  • 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(12), 1611-1615, 2006. [PDF]

  • 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(12), 1567-1572, 2006. [PDF]

  • 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(12), 1599-1604, 2006. [PDF]

  • 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(12), 1577-1580, 2006. [PDF]

  • 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(12), 1587-1592, 2006. [PDF]


  • 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. [PDF]

  • 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. [PDF]

  • 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. [PDF]


  • 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. [PDF]

  • 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. [PDF]


  • 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. [PDF]

  • 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. [PDF]


  • Nishimura, T., N. Uchida, H. Sato, M. Ohtake, S. Tanaka, and H. Hamaguchi, Temporal changes of the crustal structure associated with the M6.1 earthquake on September 3, 1998, and the volcanic activity of Mount Iwate, Japan, Geophys. Res. Lett., 27, 269-272, 2000. [PDF]