Crustal Dynamics

Grant-in-Aid for Scientific Research
on Innovative Areas, MEXT Japan

Crustal Dynamics Unified understanding of intra-island deformation after the great Tohoku-oki earthquake.

 Reseach Achivements 2014

〔Journal Articles〕 〔Books〕 〔Invited Presentations〕

〔Journal Articles〕

(Group A01)

Arai, R., Iwasaki, T., Sato, H., Abe, S., and Hirata, N. (2014), Contrasting subduction structures within the Philippine Sea plate: Hydrous oceanic crust and anhydrous volcanic arc crust, Geochemistry, Geophysics, Geosystems, 15(5), 1977-1990, doi:10.1002/2014gc005321.

Ariyoshi, K., Matsuzawa, T., Hino, R., Hasegawa, A., Hori, T., Nakata, R., and Kaneda, Y. (2014), A trial derivation of seismic plate coupling by focusing on the activity of shallow slow earthquakes, Earth, Planets and Space, 66(1), 55, doi:10.1186/1880-5981-66-55.

Ariyoshi, K., Nakata, R., Matsuzawa, T., Hino, R., Hori, T., Hasegawa, A., and Kaneda, Y. (2014), The detectability of shallow slow earthquakes by the Dense Oceanfloor Network system for Earthquakes and Tsunamis (DONET) in Tonankai district, Japan, Marine Geophysical Research, 35(3), 295-310, doi:10.1007/s11001-013-9192-6.

Ariyoshi, K., Uchida, N., Matsuzawa, T., Hino, R., Hasegawa, A., Hori, T., and Kaneda, Y. (2014), A trial estimation of frictional properties, focusing on aperiodicity off Kamaishi just after the 2011 Tohoku earthquake, Geophysical Research Letters, 41(23), 8325-8334, doi:10.1002/2014gl061872.

Honda, R., Yukutake, Y., Yoshida, A., Harada, M., Miyaoka, K., and Satomura, M. (2014), Stress-induced spatiotemporal variations in anisotropic structures beneath Hakone volcano, Japan, detected by S wave splitting: A tool for volcanic activity monitoring, Journal of Geophysical Research: Solid Earth, 119(9), 7043-7057, doi:10.1002/2014jb010978.

Iidaka, T., Muto, J., Obara, K., Igarashi, T., and Shibazaki, B. (2014), Trench-parallel crustal anisotropy along the trench in the fore-arc region of Japan, Geophysical Research Letters, 41(6), 1957-1963, doi:10.1002/2013gl058359.

Iwata, T. (2014), Decomposition of Seasonality and Long-term Trend in Seismological Data: A Bayesian Modelling of Earthquake Detection Capability, Australian & New Zealand Journal of Statistics, 56(3), 201-215, doi:10.1111/anzs.12079.

Kato, A., Saiga, A., Takeda, T., Iwasaki, T., and Matsuzawa, T. (2014), Non-volcanic seismic swarm and fluid transportation driven by subduction of the Philippine Sea slab beneath the Kii Peninsula, Japan, Earth, Planets and Space, 66(1), 86, doi:10.1186/1880-5981-66-86.

Kita, S., Nakajima, J., Hasegawa, A., Okada, T., Katsumata, K., Asano, Y., and Kimura, T. (2014), Detailed seismic attenuation structure beneath Hokkaido, northeastern Japan: Arc-arc collision process, arc magmatism, and seismotectonics, Journal of Geophysical Research: Solid Earth, 119(8), 6486-6511, doi:10.1002/2014jb011099.

Matsuzawa, T. (2014), The Largest Earthquakes We Should Prepare for, Journal of Disaster Research, 9, 248-251.

Okada, T., Matsuzawa, T., Nakajima, J., Uchida, N., Yamamoto, M., Hori, S., Kono, T., Nakayama, T., Hirahara, S., and Hasegawa, A. (2014), Seismic velocity structure in and around the Naruko volcano, NE Japan, and its implications for volcanic and seismic activities, Earth, Planets and Space, 66(1), 114, doi:10.1186/1880-5981-66-114.

Romano, F., Trasatti, E., Lorito, S., Piromallo, C., Piatanesi, A., Ito, Y., Zhao, D., Hirata, K., Lanucara, P., and Cocco, M. (2014), Structural control on the Tohoku earthquake rupture process investigated by 3D FEM, tsunami and geodetic data, Sci Rep, 4, 5631, doi:10.1038/srep05631.

Shiina, T., Nakajima, J., Toyokuni, G., and Matsuzawa, T. (2014), Guided wave observations and evidence for the low-velocity subducting crust beneath Hokkaido, northern Japan, Earth, Planets and Space, 66(1), 69, doi:10.1186/1880-5981-66-69.

Shirzaei, M., Bürgmann, R., Uchida, N., Hu, Y., Pollitz, F., and Matsuzawa, T. (2014), Seismic versus aseismic slip: Probing mechanical properties of the northeast Japan subduction zone, Earth and Planetary Science Letters, 406, 7-13, doi:10.1016/j.epsl.2014.08.035.

Takagi, R., Nakahara, H., Kono, T., and Okada, T. (2014), Separating body and Rayleigh waves with cross terms of the cross-correlation tensor of ambient noise, Journal of Geophysical Research: Solid Earth, 119(3), 2005-2018, doi:10.1002/2013jb010824.

Yoshida, K., Hasegawa, A., Okada, T., and Iinuma, T. (2014), Changes in the stress field after the 2008M7.2 Iwate-Miyagi Nairiku earthquake in northeastern Japan, Journal of Geophysical Research: Solid Earth, 119(12), 9016-9030, doi:10.1002/2014jb011291.

Yoshida, K., Hasegawa, A., Okada, T., Takahashi, H., Kosuga, M., Iwasaki, T., Yamanaka, Y., Katao, H., Iio, Y., Kubo, A., Matsushima, T., Miyamachi, H., and Asano, Y. (2014), Pore pressure distribution in the focal region of the 2008 M7.2 Iwate-Miyagi Nairiku earthquake, Earth, Planets and Space, 66(1), 59, doi:10.1186/1880-5981-66-59

(Group A02)

Aizawa, K., Koyama, T., Hase, H., Uyeshima, M., Kanda, W., Utsugi, M., Yoshimura, R., Yamaya, Y., Hashimoto, T., Yamazaki, K. i., Komatsu, S., Watanabe, A., Miyakawa, K., and Ogawa, Y. (2014), Three-dimensional resistivity structure and magma plumbing system of the Kirishima Volcanoes as inferred from broadband magnetotelluric data, Journal of Geophysical Research: Solid Earth, 119(1), 198-215, doi:10.1002/2013jb010682.

Deng, B., Sueoka, S., Liu, S.-H., Li, Z.-W., and Li, J.-X. (2014), Wedge-thrust folding in the Micangshan constrains from low-temperature thermochronology model and its significance, Chinese Journal of Geophysics, 57(2), 195-208, doi:10.1002/cjg2.20096.

Fukahata, Y., Yagi, Y., and Rivera, L. (2014), Theoretical relationship between back-projection imaging and classical linear inverse solutions, Geophysical Journal International, 196(1), 552-559, doi:10.1093/gji/ggt392.

Funning, G. J., Fukahata, Y., Yagi, Y., and Parsons, B. (2014), A method for the joint inversion of geodetic and seismic waveform data using ABIC: application to the 1997 Manyi, Tibet, earthquake, Geophysical Journal International, 196(3), 1564-1579, doi:10.1093/gji/ggt406.

Gunawan, E., Sagiya, T., Ito, T., Kimata, F., Tabei, T., Ohta, Y., Meilano, I., Abidin, H. Z., Agustan, Nurdin, I., and Sugiyanto, D. (2014), A comprehensive model of postseismic deformation of the 2004 Sumatra–Andaman earthquake deduced from GPS observations in northern Sumatra, Journal of Asian Earth Sciences, 88, 218-229, doi:10.1016/j.jseaes.2014.03.016.

Hamling, I. J., Wright, T. J., Calais, E., Lewi, E., and Fukahata, Y. (2014), InSAR observations of post-rifting deformation around the Dabbahu rift segment, Afar, Ethiopia, Geophysical Journal International, 197(1), 33-49, doi:10.1093/gji/ggu003.

Harada, M. A. O., Watanabe, Y., Nakatsuka, T., Tazuru-Mizuno, S., Horikawa, Y., Sugiyama, J., Tsuda, T., and Tagami, T. (2014), Alpha-cellulose extraction procedure for the tropical tree sungkai (Peronema canescens Jack) by using an improved vessel for reliable paleoclimate reconstruction, Geochemical Journal, 48(3), 299-307, doi:10.2343/geochemj.2.0306.

Hasegawa, W., Sawagaki, T., Hirakawa, K., Watanabe, Y., and Tagami, T. (2014), Description and environmental monitoring of Hokkai Cave in northern Japan, Cave and Karst Science,, 41(1), 3-12.

Hashima, A., Fukahata, Y., Hashimoto, C., and Matsu’ura, M. (2014), Quasi-Static Strain and Stress Fields due to a Moment Tensor in Elastic–Viscoelastic Layered Half-Space, Pure and Applied Geophysics, 171(8), 1669-1693, doi:10.1007/s00024-013-0728-0.

Hino, R., Inazu, D., Ohta, Y., Ito, Y., Suzuki, S., Iinuma, T., Osada, Y., Kido, M., Fujimoto, H., and Kaneda, Y. (2014), Was the 2011 Tohoku-Oki earthquake preceded by aseismic preslip? Examination of seafloor vertical deformation data near the epicenter, Marine Geophysical Research, 35(3), 181-190, doi:10.1007/s11001-013-9208-2.

Kuritani, T., Yoshida, T., Kimura, J.-I., Takahashi, T., Hirahara, Y., Miyazaki, T., Senda, R., Chang, Q., and Ito, Y. (2014), Primary melt from Sannome-gata volcano, NE Japan arc: constraints on generation conditions of rear-arc magmas, Contributions to Mineralogy and Petrology, 167(2), doi:10.1007/s00410-014-0969-7.

Miyakawa, A., Saito, S., Yamada, Y., Tomaru, H., Kinoshita, M., and Tsuji, T. (2014), Gas hydrate saturation at Site C0002, IODP Expeditions 314 and 315, in the Kumano Basin, Nankai trough, Island Arc, 23(2), 142-156, doi:10.1111/iar.12064.

Mizukami, T., Yokoyama, H., Hiramatsu, Y., Arai, S., Kawahara, H., Nagaya, T., and Wallis, S. R. (2014), Two types of antigorite serpentinite controlling heterogeneous slow-slip behaviours of slab–mantle interface, Earth and Planetary Science Letters, 401, 148-158, doi:10.1016/j.epsl.2014.06.009.

Shikakura, Y., Fukahata, Y., and Hirahara, K. (2014), Long-term changes in the Coulomb failure function on inland active faults in southwest Japan due to east-west compression and interplate earthquakes, Journal of Geophysical Research: Solid Earth, 119(1), 502-518, doi:10.1002/2013jb010156.

Sugihara, M., Nawa, K., Soma, N., Ishido, T., Miyakawa, A., and Nishi, Y. (2014), Continuous Gravity Monitoring for CO2 Geo-sequestration (2) a Case Study at the Farnsworth CO2-EOR Field, Energy Procedia, 63, 4404-4410, doi:10.1016/j.egypro.2014.11.475.

Sun, T., Wang, K., Iinuma, T., Hino, R., He, J., Fujimoto, H., Kido, M., Osada, Y., Miura, S., Ohta, Y., and Hu, Y. (2014), Prevalence of viscoelastic relaxation after the 2011 Tohoku-oki earthquake, Nature, 514(7520), 84-87, doi:10.1038/nature13778.

Takada, Y., and Fukushima, Y. (2014), Volcanic subsidence triggered by megathrust earthquakes, Journal of Disaster Research, 9, 373-380.

Takahashi, N., Ishihara, Y., Ochi, H., Fukuda, T., Tahara, J. i., Maeda, Y., Kido, M., Ohta, Y., Mutoh, K., Hashimoto, G., Kogure, S., and Kaneda, Y. (2014), New buoy observation system for tsunami and crustal deformation, Marine Geophysical Research, 35(3), 243-253, doi:10.1007/s11001-014-9235-7.

Takahashi, S., Yamasaki, S.-I., Ogawa, Y., Kimura, K., Kaiho, K., Yoshida, T., and Tsuchiya, N. (2014), Bioessential element-depleted ocean following the euxinic maximum of the end-Permian mass extinction, Earth and Planetary Science Letters, 393, 94-104, doi:10.1016/j.epsl.2014.02.041.

Takano, T., Nishimura, T., Nakahara, H., Ohta, Y., and Tanaka, S. (2014), Seismic velocity changes caused by the Earth tide: Ambient noise correlation analyses of small-array data, Geophysical Research Letters, 41(17), 6131-6136, doi:10.1002/2014gl060690.

Tsuji, S., and Hiramatsu, Y. (2014), Spatial variation in coda Q around the Nobi fault zone, central Japan: relation to S-wave velocity and seismicity, Earth, Planets and Space, 66(1), 97, doi:10.1186/1880-5981-66-97.

Tsushima, H., Hino, R., Ohta, Y., Iinuma, T., and Miura, S. (2014), tFISH/RAPiD: Rapid improvement of near-field tsunami forecasting based on offshore tsunami data by incorporating onshore GNSS data, Geophysical Research Letters, 41(10), 3390-3397, doi:10.1002/2014gl059863.

Tsushima, H., and Ohta, Y. (2014), Review on Near-Field Tsunami Forecasting from Offshore Tsunami Data and Onshore GNSS Data for Tsunami Early Warning, J. Disaster Res, 9(3), 339-357.

Yamada, Y., Baba, K., Miyakawa, A., and Matsuoka, T. (2014), Granular experiments of thrust wedges: Insights relevant to methane hydrate exploration at the Nankai accretionary prism, Marine and Petroleum Geology, 51, 34-48, doi:10.1016/j.marpetgeo.2013.11.008.

(Group B01)

Famin, V., Raimbourg, H., Garcia, S., Bellahsen, N., Hamada, Y., Boullier, A.-M., Fabbri, O., Michon, L., Uchide, T., Ricci, T., Hirono, T., and Kawabata, K. (2014), Stress rotations and the long-term weakness of the Median Tectonic Line and the Rokko-Awaji Segment, Tectonics, 33(10), 1900-1919, doi:10.1002/2014tc003600.

Fukuchi, R., Fujimoto, K., Kameda, J., Hamahashi, M., Yamaguchi, A., Kimura, G., Hamada, Y., Hashimoto, Y., Kitamura, Y., and Saito, S. (2014), Changes in illite crystallinity within an ancient tectonic boundary thrust caused by thermal, mechanical, and hydrothermal effects: an example from the Nobeoka Thrust, southwest Japan, Earth, Planets and Space, 66(1), 116, doi:10.1186/1880-5981-66-116.

Fukuda, J. i., Kato, A., Obara, K., Miura, S., and Kato, T. (2014), Imaging of the early acceleration phase of the 2013-2014 Boso slow slip event, Geophysical Research Letters, 41(21), 7493-7500, doi:10.1002/2014gl061550.

Hamahashi, M., Hamada, Y., Yamaguchi, A., Kimura, G., Fukuchi, R., Saito, S., Kameda, J., Kitamura, Y., Fujimoto, K., and Hashimoto, Y. (2015), Multiple damage zone structure of an exhumed seismogenic megasplay fault in a subduction zone – a study from the Nobeoka Thrust Drilling Project, Earth, Planets and Space, 67(1), doi:10.1186/s40623-015-0186-2.

Hirono, T., Ishikawa, T., Masumoto, H., Kameda, J., Yabuta, H., and Mukoyoshi, H. (2014), Re-evaluation of frictional heat recorded in the dark gouge of the shallow part of a megasplay fault at the Nankai Trough, Tectonophysics, 626, 157-169, doi:10.1016/j.tecto.2014.04.020.

Hirono, T., Kameda, J., Kanda, H., Tanikawa, W., and Ishikawa, T. (2014), Mineral assemblage anomalies in the slip zone of the 1999 Taiwan Chi-Chi earthquake: Ultrafine particles preserved only in the latest slip zone, Geophysical Research Letters, 41(9), 3052-3059, doi:10.1002/2014gl059805.

Ishikawa, T., Hirono, T., Matsuta, N., Kawamoto, K., Fujimoto, K., Kameda, J., Nishio, Y., Maekawa, Y., and Honda, G. (2014), Geochemical and mineralogical characteristics of fault gouge in the Median Tectonic Line, Japan: evidence for earthquake slip, Earth, Planets and Space, 66(1), 36, doi:10.1186/1880-5981-66-36.

Kameda, J., Kawabata, K., Hamada, Y., Yamaguchi, A., and Kimura, G. (2014), Quartz deposition and its influence on the deformation process of megathrusts in subduction zones, Earth, Planets and Space, 66(1), 13, doi:10.1186/1880-5981-66-13.

Kameda, J., Kouketsu, Y., Shimizu, M., Yamaguchi, A., Hamada, Y., Hamahashi, M., Koge, H., Fukuchi, R., Ikeda, M., Kogure, T., and Kimura, G. (2014), The influence of organic–rich shear zones on pelagic sediment deformation and seismogenesis in a subduction zone, Journal of Mineralogical and Petrological Sciences, 109(5), 228-238, doi:10.2465/jmps.140403.

Kato, A. (2014), Slow Slip Transients Before the 2011 Tohoku-Oki Earthquake, Journal of Disaster Research, 9(3), 311-316.

Kato, A., Igarashi, T., and Obara, K. (2014), Detection of a hidden Boso slow slip event immediately after the 2011Mw9.0 Tohoku-Oki earthquake, Japan, Geophysical Research Letters, 41(16), 5868-5874, doi:10.1002/2014gl061053.

Kato, A., and Nakagawa, S. (2014), Multiple slow-slip events during a foreshock sequence of the 2014 Iquique, ChileMw8.1 earthquake, Geophysical Research Letters, 41(15), 5420-5427, doi:10.1002/2014gl061138.

Kato, A., and Obara, K. (2014), Step-like migration of early aftershocks following the 2007Mw6.7 Noto-Hanto earthquake, Japan, Geophysical Research Letters, 41(11), 3864-3869, doi:10.1002/2014gl060427.

Kato, A., Saiga, A., Takeda, T., Iwasaki, T., and Matsuzawa, T. (2014), Non-volcanic seismic swarm and fluid transportation driven by subduction of the Philippine Sea slab beneath the Kii Peninsula, Japan, Earth, Planets and Space, 66(1), 86, doi:10.1186/1880-5981-66-86.

Koge, H., Fujiwara, T., Kodaira, S., Sasaki, T., Kameda, J., Kitamura, Y., Hamahashi, M., Fukuchi, R., Yamaguchi, A., Hamada, Y., Ashi, J., and Kimura, G. (2014), Friction properties of the plate boundary megathrust beneath the frontal wedge near the Japan Trench: an inference from topographic variation, Earth, Planets and Space, 66(1), doi:10.1186/s40623-014-0153-3.

Maekawa, Y., Hirono, T., Yabuta, H., Mukoyoshi, H., Kitamura, M., Ikehara, M., Tanikawa, W., and Ishikawa, T. (2014), Estimation of slip parameters associated with frictional heating during the 1999 Taiwan Chi-Chi earthquake by vitrinite reflectance geothermometry, Earth, Planets and Space, 66(1), 28, doi:10.1186/1880-5981-66-28.

Namiki, Y., Tsutsumi, A., Ujiie, K., and Kameda, J. (2014), Frictional properties of sediments entering the Costa Rica subduction zone offshore the Osa Peninsula: implications for fault slip in shallow subduction zones, Earth, Planets and Space, 66(1), 72, doi:10.1186/1880-5981-66-72.

Nara, M., Tonai, S., Shibata, T., and Ikari, Y. (2014), Palaeogene deep-sea turbiditic successions and characteristic molluscan trace fossils of the Muroto Global Geopark, southwestern Japan, The Journal of the Geological Society of Japan, 120(2), III-IV, doi:10.5575/geosoc.2013.0057.

Panayotopoulos, Y., Hirata, N., Sato, H., Kato, A., Imanishi, K., Kuwahara, Y., Cho, I., Takeda, T., and Asano, Y. (2014), Investigating the role of the Itoigawa-Shizuoka tectonic line towards the evolution of the Northern Fossa Magna rift basin, Tectonophysics, 615-616, 12-26, doi:10.1016/j.tecto.2013.12.014.

Sawai, M., Hirose, T., and Kameda, J. (2014), Frictional properties of incoming pelagic sediments at the Japan Trench: implications for large slip at a shallow plate boundary during the 2011 Tohoku earthquake, Earth, Planets and Space, 66(1), 65, doi:10.1186/1880-5981-66-65.

Shigematsu, N., Otsubo, M., Fujimoto, K., and Tanaka, N. (2014), Orienting drill core using borehole-wall image correlation analysis, Journal of Structural Geology, 67, 293-299, doi:10.1016/j.jsg.2014.01.016.

Sugan, M., Kato, A., Miyake, H., Nakagawa, S., and Vuan, A. (2014), The preparatory phase of the 2009Mw6.3 L’Aquila earthquake by improving the detection capability of low-magnitude foreshocks, Geophysical Research Letters, 41(17), 6137-6144, doi:10.1002/2014gl061199.

Takeshita, T., Yamaguchi, A., and Shigematsu, N. (2014), Stress reversal recorded in calcite vein cuttings from the Nankai accretionary prism, southwest Japan, Earth, Planets and Space, 66(1), 144, doi:10.1186/s40623-014-0144-4.

(Group B2)

Arancibia, G., Fujita, K., Hoshino, K., Mitchell, T. M., Cembrano, J., Gomila, R., Morata, D., Faulkner, D. R., and Rempe, M. (2014), Hydrothermal alteration in an exhumed crustal fault zone: Testing geochemical mobility in the Caleta Coloso Fault, Atacama Fault System, Northern Chile, Tectonophysics, 623, 147-168, doi:10.1016/j.tecto.2014.03.024.

French, M. E., Kitajima, H., Chester, J. S., Chester, F. M., and Hirose, T. (2014), Displacement and dynamic weakening processes in smectite-rich gouge from the Central Deforming Zone of the San Andreas Fault, Journal of Geophysical Research: Solid Earth, 119(3), 1777-1802, doi:10.1002/2013jb010757.

Han, R., Hirose, T., Jeong, G. Y., Ando, J.-i., and Mukoyoshi, H. (2014), Frictional melting of clayey gouge during seismic fault slip: Experimental observation and implications, Geophysical Research Letters, 41(15), 5457-5466, doi:10.1002/2014gl061246.

Hayashi, K., Yasuoka, Y., Nagahama, H., Muto, J., Ishikawa, T., Omori, Y., Suzuki, T., Homma, Y., and Mukai, T. (2015), Normal seasonal variations for atmospheric radon concentration: a sinusoidal model, Journal of environmental radioactivity, 139, 149-153, doi:10.1016/j.jenvrad.2014.10.007.

Hirata, M., Muto, J., and Nagahama, H. (2014), Experimental analysis on Rowe’s stress-dilatancy relation and frictional instability of fault gouges, Episodes, 37, 304-308.

Iidaka, T., Muto, J., Obara, K., Igarashi, T., and Shibazaki, B. (2014), Trench-parallel crustal anisotropy along the trench in the fore-arc region of Japan, Geophysical Research Letters, 41(6), 1957-1963, doi:10.1002/2013gl058359.

Kendrick, J. E., Lavallée, Y., Hirose, T., Di Toro, G., Hornby, A. J., De Angelis, S., and Dingwell, D. B. (2014), Volcanic drumbeat seismicity caused by stick-slip motion and magmatic frictional melting, Nature Geoscience, 7(6), 438-442, doi:10.1038/ngeo2146.

Kikuchi, K., Abiko, K., Nagahama, H., and Muto, J. (2014), Self-affinities analysis of fault-related folding, Episodes, 37, 309-312.

Lavallée, Y., Hirose, T., Kendrick, J. E., De Angelis, S., Petrakova, L., Hornby, A. J., and Dingwell, D. B. (2014), A frictional law for volcanic ash gouge, Earth and Planetary Science Letters, 400, 177-183, doi:10.1016/j.epsl.2014.05.023.

Michibayashi, K., Harigane, Y., Ohara, Y., Muto, J., and Okamoto, A. (2014), Rheological properties of the detachment shear zone of an oceanic core complex inferred by plagioclase flow law: Godzilla Megamullion, Parece Vela back-arc basin, Philippine Sea, Earth and Planetary Science Letters, 408, 16-23, doi:10.1016/j.epsl.2014.10.005.

Moore, G. F., Kanagawa, K., Strasser, M., Dugan, B., Maeda, L., Toczko, S., and Party, t. I. E. S. (2014), IODP Expedition 338: NanTro SEIZE stage 3: NanTroSEIZE plate boundary deep riser 2, Scientific Drilling, 17, 1-12.

Nagata, K., Kilgore, B., Beeler, N., and Nakatani, M. (2014), High-frequency imaging of elastic contrast and contact area with implications for naturally observed changes in fault properties, Journal of Geophysical Research: Solid Earth, 119(7), 5855-5875, doi:10.1002/2014jb011014.

Nakamura, Y., Oohashi, K., Toyoshima, T., Satish-Kumar, M., and Akai, J. (2015), Strain-induced amorphization of graphite in fault zones of the Hidaka metamorphic belt, Hokkaido, Japan, Journal of Structural Geology, 72, 142-161, doi:10.1016/j.jsg.2014.10.012.

Oohashi, K., Han, R., Hirose, T., Shimamoto, T., Omura, K., and Matsuda, T. (2014), Carbon-forming reactions under a reducing atmosphere during seismic fault slip, Geology, 42(9), 787-790, doi:10.1130/g35703.1.

Oohashi, K., Hirose, T., Takahashi, M., and Tanikawa, W. (2015), Dynamic weakening of smectite-bearing faults at intermediate velocities: Implications for subduction zone earthquakes, Journal of Geophysical Research: Solid Earth, n/a-n/a, doi:10.1002/2015jb011881.

Sawai, M., Hirose, T., and Kameda, J. (2014), Frictional properties of incoming pelagic sediments at the Japan Trench: implications for large slip at a shallow plate boundary during the 2011 Tohoku earthquake, Earth, Planets and Space, 66(1), 65, doi:10.1186/1880-5981-66-65.

Shimizu, I. (2014), Rheological profile across the NE Japan interplate megathrust in the source region of the 2011 Mw9.0 Tohoku-oki earthquake, Earth, Planets and Space, 66(1), 73, doi:10.1186/1880-5981-66-73.

Takahashi, M., Azuma, S., Ito, H., Kanagawa, K., and Inoue, A. (2014), Frictional properties of the shallow Nankai Trough accretionary sediments dependent on the content of clay minerals, Earth, Planets and Space, 66(1), 75, doi:10.1186/1880-5981-66-75.

Tanikawa, W., Mukoyoshi, H., Lin, W., Hirose, T., and Tsutsumi, A. (2014), Pressure dependence of fluid transport properties of shallow fault systems in the Nankai subduction zone, Earth, Planets and Space, 66(1), 90, doi:10.1186/1880-5981-66-90.

(Group B03)

Agurto-Detzel, H., Rietbrock, A., Bataille, K., Miller, M., Iwamori, H., and Priestley, K. (2014), Seismicity distribution in the vicinity of the Chile Triple Junction, Aysén Region, southern Chile, Journal of South American Earth Sciences, 51, 1-11, doi:10.1016/j.jsames.2013.12.011.

Aizawa, K., Koyama, T., Hase, H., Uyeshima, M., Kanda, W., Utsugi, M., Yoshimura, R., Yamaya, Y., Hashimoto, T., Yamazaki, K. i., Komatsu, S., Watanabe, A., Miyakawa, K., and Ogawa, Y. (2014), Three-dimensional resistivity structure and magma plumbing system of the Kirishima Volcanoes as inferred from broadband magnetotelluric data, Journal of Geophysical Research: Solid Earth, 119(1), 198-215, doi:10.1002/2013jb010682.

Ichihara, H., Sakanaka, S. y., Mishina, M., Uyeshima, M., Nishitani, T., Ogawa, Y., Yamaya, Y., Mogi, T., Amita, K., and Miura, T. (2014), A 3-D electrical resistivity model beneath the focal zone of the 2008 Iwate-Miyagi Nairiku earthquake (M 7.2), Earth, Planets and Space, 66(1), 50, doi:10.1186/1880-5981-66-50.

Ikemoto, A., and Iwamori, H. (2014), Numerical modeling of trace element transportation in subduction zones: implications for geofluid processes, Earth, Planets and Space, 66(1), 26, doi:10.1186/1880-5981-66-26.

Ishikawa, M., Matsubara, M., and Takeda, T. (2014), Felsic lower crust and orthopyroxenitic mantle beneath the Kitakami Mountains, Japan: Evidence for slab melting in the Cretaceous, Japanese Magazine of Mineralogical and Petrological Sciences, 43(3), 100-107, doi:10.2465/gkk.140120.

Ishikawa, M., and Matsumoto, Y. (2014), Effect of fluid H2O on compressional wave velocities in quartz aggregate up to 500°C at 0.5 GPa, Earth, Planets and Space, 66(1), 35, doi:10.1186/1880-5981-66-35.

Iwamori, H., and Nakamura, H. (2014), Isotopic heterogeneity of oceanic, arc and continental basalts and its implications for mantle dynamics, Gondwana Research, doi:10.1016/j.gr.2014.09.003.

Kanda, W., and Ogawa, Y. (2014), Three-dimensional electromagnetic imaging of fluids and melts beneath the NE Japan arc revisited by using geomagnetic transfer function data, Earth, Planets and Space, 66(1), 39, doi:10.1186/1880-5981-66-39.

Kimura, J.-I., Gill, J. B., Kunikiyo, T., Osaka, I., Shimoshioiri, Y., Katakuse, M., Kakubuchi, S., Nagao, T., Furuyama, K., Kamei, A., Kawabata, H., Nakajima, J., van Keken, P. E., and Stern, R. J. (2014), Diverse magmatic effects of subducting a hot slab in SW Japan: Results from forward modeling, Geochemistry, Geophysics, Geosystems, 15(3), 691-739, doi:10.1002/2013gc005132.

Kimura, J.-I., and Nakajima, J. (2014), Behaviour of subducted water and its role in magma genesis in the NE Japan arc: A combined geophysical and geochemical approach, Geochimica et Cosmochimica Acta, 143, 165-188, doi:10.1016/j.gca.2014.04.019.

Kita, S., Nakajima, J., Hasegawa, A., Okada, T., Katsumata, K., Asano, Y., and Kimura, T. (2014), Detailed seismic attenuation structure beneath Hokkaido, northeastern Japan: Arc-arc collision process, arc magmatism, and seismotectonics, Journal of Geophysical Research: Solid Earth, 119(8), 6486-6511, doi:10.1002/2014jb011099.

Kuo, T., and Tsunomori, F. (2014), Estimation of fracture porosity using radon as a tracer, Journal of Petroleum Science and Engineering, 122, 700-704, doi:10.1016/j.petrol.2014.09.012.

Kusuda, C., Iwamori, H., Nakamura, H., Kazahaya, K., and Morikawa, N. (2014), Arima hot spring waters as a deep-seated brine from subducting slab, Earth, Planets and Space, 66(1), 119, doi:10.1186/1880-5981-66-119.

Nakajima, J. (2014), Seismic attenuation beneath Kanto, Japan: evidence for high attenuation in the serpentinized subducting mantle, Earth, Planets and Space, 66(1), 12, doi:10.1186/1880-5981-66-12.

Nakamura, H., Fujita, Y., Nakai, S., Yokoyama, T., and Iwamori, H. (2014), Rare Earth Elements and Sr-Nd-Pb Isotopic Analyses of the Arima Hot Spring Waters, Southwest Japan: Implications for Origin of the Arima-type Brine, Journal of Geology & Geosciences, 03(04), doi:10.4172/2329-6755.1000161.

Ogawa, Y., Ichiki, M., Kanda, W., Mishina, M., and Asamori, K. (2014), Three-dimensional magnetotelluric imaging of crustal fluids and seismicity around Naruko volcano, NE Japan, Earth, Planets and Space, 66(1), doi:10.1186/s40623-014-0158-y.

Okada, T., Matsuzawa, T., Nakajima, J., Uchida, N., Yamamoto, M., Hori, S., Kono, T., Nakayama, T., Hirahara, S., and Hasegawa, A. (2014), Seismic velocity structure in and around the Naruko volcano, NE Japan, and its implications for volcanic and seismic activities, Earth, Planets and Space, 66(1), 114, doi:10.1186/1880-5981-66-114.

Peng, H., Kitagawa, G., Takanami, T., and Matsumoto, N. (2014), State-space modeling for seismic signal analysis, Applied Mathematical Modelling, 38(2), 738-746, doi:10.1016/j.apm.2013.07.008.

Seki, K., Kanda, W., Ogawa, Y., Tanbo, T., Kobayashi, T., Hino, Y., and Hase, H. (2015), Imaging the hydrothermal system beneath the Jigokudani valley, Tateyama volcano, Japan: implications for structures controlling repeated phreatic eruptions from an audio-frequency magnetotelluric survey, Earth, Planets and Space, 67(1), doi:10.1186/s40623-014-0169-8.

Shiina, T., Nakajima, J., Toyokuni, G., and Matsuzawa, T. (2014), Guided wave observations and evidence for the low-velocity subducting crust beneath Hokkaido, northern Japan, Earth, Planets and Space, 66(1), 69, doi:10.1186/1880-5981-66-69.

Togo, Y. S., Kazahaya, K., Tosaki, Y., Morikawa, N., Matsuzaki, H., Takahashi, M., and Sato, T. (2014), Groundwater, possibly originated from subducted sediments, in Joban and Hamadori areas, southern Tohoku, Japan, Earth, Planets and Space, 66(1), 131, doi:10.1186/1880-5981-66-131.

Tsunomori, F., and Tanaka, H. (2014), Anomalous change of groundwater radon concentration monitored at Nakaizu well in 2011, Radiation Measurements, 60, 35-41, doi:10.1016/j.radmeas.2013.11.006.

Ueki, K., and Iwamori, H. (2014), Thermodynamic calculations of the polybaric melting phase relations of spinel lherzolite, Geochemistry, Geophysics, Geosystems, 15(12), 5015-5033, doi:10.1002/2014gc005546.

Umeda, K., Asamori, K., Makuuchi, A., and Kobori, K. (2014), Earthquake doublet in an active shear zone, southwest Japan: Constraints from geophysical and geochemical findings, Tectonophysics, 634, 116-126, doi:10.1016/j.tecto.2014.07.025.

Uno, M., Iwamori, H., Nakamura, H., Yokoyama, T., Ishikawa, T., and Tanimizu, M. (2014), Elemental transport upon hydration of basic schists during regional metamorphism: Geochemical evidence from the Sanbagawa metamorphic belt, Japan, Geochemical Journal, 48(1), 29-49, doi:10.2343/geochemj.2.0283.

Wang, L., Hitchman, A. P., Ogawa, Y., Siripunvaraporn, W., Ichiki, M., and Fuji-ta, K. (2014), A 3-D conductivity model of the Australian continent using observatory and magnetometer array data, Geophysical Journal International, 198(2), 1171-1186, doi:10.1093/gji/ggu188.

Watanabe, T., and Higuchi, A. (2014), A new apparatus for measuring elastic wave velocity and electrical conductivity of fluid-saturated rocks at various confining and pore-fluid pressures, Geofluids, 14(3), 372-378, doi:10.1111/gfl.12050.

Yasue, K.-I., Ishimaru, T., Kobori, K., Umeda, K., and Nakatsuka, N. (2014), Subsurface geological mapping of the Japanese Islands, J. Geol. Soc. Jpn, 120, XIII-XIV, doi:10.5575/geosoc.2014.0043.

(Group C01)

Hino, R., Inazu, D., Ohta, Y., Ito, Y., Suzuki, S., Iinuma, T., Osada, Y., Kido, M., Fujimoto, H., and Kaneda, Y. (2014), Was the 2011 Tohoku-Oki earthquake preceded by aseismic preslip? Examination of seafloor vertical deformation data near the epicenter, Marine Geophysical Research, 35(3), 181-190, doi:10.1007/s11001-013-9208-2.

Iidaka, T., Muto, J., Obara, K., Igarashi, T., and Shibazaki, B. (2014), Trench-parallel crustal anisotropy along the trench in the fore-arc region of Japan, Geophysical Research Letters, 41(6), 1957-1963, doi:10.1002/2013gl058359.

Li, X.-F., and Shibazaki, B. (2014), 3D modeling of earthquake cycles of the Xianshuihe fault, southwestern China, Journal of Asian Earth Sciences, 96, 205-212, doi:10.1016/j.jseaes.2014.08.040.

Nishimura, T. (2014), Pre-, co-, and post-seismic deformation of the 2011 Tohoku-oki earthquake and its implication to a paradox in short-term and long-term deformation, J. Disaster Res., 9, 294-302.

Nishimura, T. (2014), Short-term slow slip events along the Ryukyu Trench, southwestern Japan, observed by continuous GNSS, Progress in Earth and Planetary Science, 1(1), 22, doi:10.1186/s40645-014-0022-5.

Nishimura, T., Sato, M., and Sagiya, T. (2014), Global Positioning System (GPS) and GPS-Acoustic Observations: Insight into Slip Along the Subduction Zones Around Japan, Annual Review of Earth and Planetary Sciences, 42(1), 653-674, doi:10.1146/annurev-earth-060313-054614.

Noda, H., and Hori, T. (2014), Under what circumstances does a seismogenic patch produce aseismic transients in the later interseismic period?, Geophysical Research Letters, 41(21), 7477-7484, doi:10.1002/2014gl061676.

Ohzono, M., Takahashi, H., and Ichiyanagi, M. (2014), An intraplate slow earthquake observed by a dense GPS network in Hokkaido, northernmost Japan, Geophysical Journal International, 200(1), 144-148, doi:10.1093/gji/ggu380.

Shestakov, N. V., Ohzono, M., Takahashi, H., Gerasimenko, M. D., Bykov, V. G., Gordeev, E. I., Chebrov, V. N., Titkov, N. N., Serovetnikov, S. S., Vasilenko, N. F., Prytkov, A. S., Sorokin, A. A., Serov, M. A., Kondratyev, M. N., and Pupatenko, V. V. (2014), Modeling of coseismic crustal movements initiated by the May 24, 2013, Mw = 8.3 Okhotsk deep focus earthquake, Doklady Earth Sciences, 457(2), 976-981, doi:10.1134/s1028334x1408008x.

Shibazaki, B., and Noda, H. (2014), What caused the 2011 Tohoku-Oki earthquake? : Effects of dynamic weakening, Journal of Disaster Research, 96, 252-263.

Shimamoto, T., and Noda, H. (2014), A friction to flow constitutive law and its application to a 2-D modeling of earthquakes, Journal of Geophysical Research: Solid Earth, 119(11), 8089-8106, doi:10.1002/2014jb011170.

Sun, T., Wang, K., Iinuma, T., Hino, R., He, J., Fujimoto, H., Kido, M., Osada, Y., Miura, S., Ohta, Y., and Hu, Y. (2014), Prevalence of viscoelastic relaxation after the 2011 Tohoku-oki earthquake, Nature, 514(7520), 84-87, doi:10.1038/nature13778.

Tsushima, H., Hino, R., Ohta, Y., Iinuma, T., and Miura, S. (2014), tFISH/RAPiD: Rapid improvement of near-field tsunami forecasting based on offshore tsunami data by incorporating onshore GNSS data, Geophysical Research Letters, 41(10), 3390-3397, doi:10.1002/2014gl059863.

 

〔Books〕

(Group B01)

Kato, A., (2014), Intraplate earthquakes induced by reactivation of buried ancient rift system along the eastern margin of the Japan Sea, in Intraplate Earthquakes, edited by P. Talwani, Cambridge University Press, 231-256.

 

〔Invited Presentations〕

(Group A02)

Fukahata, Y. & Yagi, Y., Use of ABIC and Invention of Inversion Methods, 2014 AGU Fall Meeting, San Francisco, USA, 2014/12.

Ohta, Y., H. Tsushima, S. Kawamoto, K. Miyagawa, T. Yahagi, Y. Sato, R. Hino, T. Demachi, T. Iinuma and S. Miura, Recent development for near-field tsunami forecasting from real time GNSS and offshore tsunami data, AGU Fall meeting 2014, San Francisco, CA, USA, 2014/12.

(Group B01)

Kato, A., Overview of the 2011 Tohoku Earthquake & Slow Slip and Large Earthquakes, Advanced School on Megathrust Earthquakes and Tsunami, the Abdus Salam International Centre for Theoretical Physics, Trieste, Italy, 2014/10/25.

Kato, A., and K. Obara, Step-like migration of early aftershocks following the 2007 Mw 6.7 Noto-Hanto earthquake, Japan, the 2014 AGU Fall Meeting, San Francisco , USA, 2014/12/19.

(Group B03)

Iwamori, H. Nakamura, H., Mantle geochemical hemispheres and their implications on mantle dynamics, China-Japan Joint Forum on Geochemistry and Cosmochemistry, Toyama, 2014/9/16.

Hidemi Tanaka and GeoFluid Group Japan, Fluid Flux Passing through Fault Zones ‒ One Step to Understand WholeFluid Budget in the Subduction Zone, 2014 AGU Fall meeting, San Francisco, USA, 2014/12/16.

(Group C01)

Ohta, Y., H. Tsushima, S. Kawamoto, K. Miyagawa, T. Yahagi, Y. Sato, R. Hino, T. Demachi, T. Iinuma, and S. Miura, Recent development for near-field tsunami forecasting based on real time GNSS and offshore tsunami data, AGU 2014 Fall Meeting, American Geophysical Union, San Francisco, USA, 2014/12/17.

Sun, T., K. Wang, R. Hino, T. Iinuma, J. He, H. Fujimoto, M. Kido, Y. Osada, and Y. Hu, Dominance of Viscoelastic Relaxation after the 2011 Tohoku Earthquake Revealed By Seafloor GPS Observations, AGU 2014 Fall Meeting, Americal Geophysical Union, San Francisco, USA, 2014/12/19.