査読付論文(抜粋)

2021年

Yamashita, F., E. Fukuyama, S. Xu, H. Kawakata, K. Mizoguchi, S. Takizawa, Two end-member earthquake preparations illuminated by foreshock activity on a meter-scale laboratory fault, Nature Communications, 12, 4302, doi:10.1038/s41467-021-24625-4, 2021/07.

Nakayama, M., H. Kawakata, S. Hirano, I. Doi, Development of a laboratory monitoring system for elastic waves transmitted through sand under dry and nearly saturated conditions, Earth, Planets and Space, doi:10.1186/s40623-020-01346-4, 2021/01.

Tanaka, R., M. Naoi, Y. Chen, K. Yamamoto, K. Imakita, N. Tsutsumi, A. Shimoda, D. Hiramatsu, H. Kawakata, T. Ishida, E. Fukuyama, H. Tanaka, Y. Arima, S. Kitamura, D. Hyodo, Preparatory acoustic emission activity of hydraulic fracture in granite with various viscous fluids revealed by deep learning technique, Geophys. J. Int., doi:10.1093/gji/ggab096, 2021/03.

2020年

Okuwaki, R., S. Hirano, Y. Yagi, K. Shimizu, Inchworm-like source evolution through a geometrically complex fault fueled persistent supershear rupture during the 2018 Palu Indonesia earthquake, Earth Planet. Sci. Lett., 547(2020),116449, 2020/10.

Hirano, S., Friction vs. damage: dynamic self-similar crack growth revisited, Mathematical Analysis of Continuum Mechanics and Industrial Application, 171-179, 2020/09.

Hirano, S., H. Itou, Parameter interdependence of dynamic self-similar crack with distance-weakening friction, Geophys. J. Int., 223(3), 1584-1596, 2020/08.

Naoi, M., Y. Chen, K. Yamamoto, Y. Morishige, K. Imakita, N. Tsutumi, H. Kawakata, T. Ishida, H. Tanaka, Y. Arima, S. Kitamura, D. Hyodo, Tensile-dominant fractures observed in hydraulic fracturing laboratory experiment using eagle ford shale, Geophys. J. Int., 222(2), 769-780, doi:10.1093/gji/ggaa183, 2020/08.

2019年

Okuwaki, R., A. Kasahara, Y. Yagi, S. Hirano, Y. Fukahata, Backprojection to image slip, Geophys. J. Int., doi:10.1093/gji/ggy505, 2019/03.

Hirano, S., Modeling of unilateral rupture along very-long reverse faults, J. Geophys. Res., 124(1):1057-1071, doi:10.1029/2018JB016511.

Yamamoto, K., M. Naoi, Y. Chen, K. Nishihara, S. Yano, H. Kawakata, T. Akai, I. Kurosawa, T. Ishida, Moment Tensor Analysis of Acoustic Emissions Induced by Laboratory-based Hydraulic Fracturing in Granite, Geophys. J. Int., doi:10.1093/gji/ggy493, 2019/03.

2018年

Nakayama, M., H. Kawakata, S. Hirano, I. Doi, N. Takahashi, Propagation characteristics of elastic waves transmitted through sand soils under dry and saturated conditions, Progress in Acoustic Emission, XIX, 163-167, 2018/11.

Tamaribuchi, K., Yagi, Y., Enescu, B. and Hirano, S., Characteristics of foreshock and aftershock activity inferred from the JMA earthquake catalog improved by automatic processing, Earth Planet Space, 70:90, 2018, doi:10.1186/s40623-018-0866-9.

Naoi, M., Y. Chen, K. Nishihara, K. Yamamoto, S. Yano, S. Watanabe, Y. Morishige, H. Kawakata, T. Akai, I. Kurosawa, T. Ishida, Monitoring hydraulically-induced fractures in the laboratory using acoustic emissions and the fluorescent method, Int. J. Rock Mech. Min. Sci., 104, 53-63, 2018/04, doi:10.1016/j.ijrmms.2018.02.015.

Yamashita, F., E. Fukuyama, S. Xu, K. Mizoguchi, H. Kawakata, S. Takizawa, Rupture preparation process controlled by surface roughness on meter-scale laboratory fault, Tectonophys., 2018/01, doi:10.1016/j.tecto.2018.01.034.

2017年

Fukuyama, E., K. Tsuchida, H. Kawakata, F. Yamashita, K. Mizoguchi, S. Xu, Spatiotemporal complexity of 2-D rupture nucleation process observed by direct monitoring during large-scale biaxial rock friction experiments, Tectonophys., 2017/12, doi:10.1016/j.tecto.2017.12.023.

Xu, S., E. Fukuyama, F. Yamashita, K. Mizoguchi, S. Takizawa, H. Kawakata, Strain rate effect on fault slip and rupture evolution: Insight from meter-scale rock friction experiments, Tectonophys., 2017/12, doi:10.1016/j.tecto.2017.11.039

川方裕則,土井一生,高橋直樹,中山雅之, 軟弱地盤の構造変化検出を目的とした弾性波モニタリングの試み, 第14回岩の力学国内シンポジウム講演集, 講演番号124, 2017/01.

Hirano, S., Propagation velocity of pulse-like rupture along earthquake faults, Mathematical Analysis of Continuum Mechanics and Industrial Applications: Proceedings of the International Conference CoMFoS15, edited by Ito, H., et al., Mathematics for Industry, 26 143-152, Springer Singapore, doi:10.1007/978-981-10-2633-1_10, 2017.

Hirano, S., Y. Yagi, Dependence of seismic and radiated energy on shorter wavelength components, Geophys. J. Int., doi:10.1093/gji/ggx108, 2017/03.

2016年

Kawakata, H., H. Inaba, Development of a New Piezoelectric Transducer Usable as a Seismograph, Progress in Acoustic Emission, XVIII, 355-358, 2016/12.

Nakayama, M., H. Kawakata, I. Doi, N. Takahashi, Spatio-temporal Variation in Propagation Characteristics of Elastic Waves in a Sand Soil during a Water Injection Test, Progress in Acoustic Emission, XVIII, 211-216, 2016/12.

Hirano, S., T. Yamashita, Modeling of interfacial dynamic slip pulses with slip-weakening friction, Bull. Seism. Soc. Am., 106(4), 1628-1636, doi:10.1785/0120150208, 2016.

2015年

Naoi, M., M. Nakatani, T. Igarashi, K. Otsuki, Y. Yabe, T. Kgarume, O. Murakami, T. Masakale, L. Ribeiro, A. Ward, H. Moriya, H. Kawakata, S. Nakao, R. Durrheim, and H. Ogasawara, Unexpectedly frequent occurrence of very small repeating earthquakes (-5.1<=Mw<=-3.6) in a South African gold mine: Implications for monitoring intraplate faults, J. Geophys. Res. Solid Earth, 120, 8478-8493, 2015.

Yamashita, F., E. Fukuyama, K. Mizoguchi, S. Takizawa, S. Xu, H. Kawakata, Scale dependence of rock friction at high work rate, Nature, 528, 254-257, doi:10.1038/nature16138, 2015.

川方裕則,稲葉秀弘,吉光奈奈,高橋直樹,瀬戸井健一,封圧下でも使用可能な広帯域型の圧電トランスデューサの開発,第20回アコースティック・エミッション総合コンファレンス論文集,81-84(アブストラクト査読).

Naoi, M., M. Nakatani, K. Otsuki, Y. Yabe, T. Kgarume, O. Murakami, T. Masakale, L. Ribeiro, A. Ward, H. Moriya, H. Kawakata, R. Durrheim, H. Ogasawara, Steady activity of microfractures on geological faults loaded by mining stress, Tectonophys., 649, 100-114, 2015.

Naoi, M., M. Nakatani, T. Kgarume, S. Khambule, T. Masakale, L. Ribeiro, J. Philipp, S. Horiuchi, K. Otsuki, K. Miyakawa, A. Watanabe, H. Moriya, O. Murakami, Y. Yabe, H. Kawakata, N. Yoshimitsu, A. Ward, R. Durrheim, H. Ogasawara, Quasi-static slip patch growth to 20 m on a geological fault inferred from acoustic emissions in a South African gold mine, J. Geophys. Res. Solid Earth, 120, 1692-1707, 2015.

Moriya, H., M. Naoi, M. Nakatani, G. van Aswegen, O. Murakami, T. Kgarume, A. K. Ward, R. J. Durrheim, J. Philipp, Y. Yabe, H. Kawakata, H. Ogasawara, Delineation of large localized damage structures forming ahead of an active mining front by using advanced acoustic emission mapping techniques, Int. J. Rock Mech. and Min. Sci., 79, 157-165, 2015.

Yabe, Y., M. Nakatani, M. Naoi, J. Philipp, C. Janssen, T. Watanabe, T. Katsura, H. Kawakata, D. Georg, H. Ogasawara, Nucleation process of an M2 earthquake in a deep gold mine in South Africa inferred from on-fault foreshock activity, J. Geophys. Res. Solod Earth, 120, 5574-5594, 2015.

Hirano, S., Yamashita, T., Dynamic antiplane rupture propagation crossing a material interface: modelling with BIEM, Geophys. J. Int., 200, 1220-1233, 2015

2014年

Yoshimitsu, N., H. Kawakata, N. Takahashi, Magnitude -7 level earthquakes: A new lower limit of self-similarity in seismic scaling relationships, Geophys. Res. Lett., 41, 4495-4502, doi:10.1002/2014GL060306, 2014.

Fukuyama, E., K. Mizoguchi, F. Yamashita, T. Togo, H. Kawakata, N. Yoshimitsu, (他7名), Large-scale Biaxial Friction Experiments Using a NIED Large-scale Shaking Table - Design of Apparatus and Preliminary Results -, Rep. Nat. Res. Inst. .Earth Sci. and Disas. Prev., 81, 15-35, 2014.

Naoi, M., M. Nakatani, S. Horiuchi, Y. Yabe, J. Philipp, T. Kgarume, G. Morema, S. Khambule, T. Masakale, L. Ribeiro, K. Miyakawa, A. Watanabe, K. Otsuki, H. Moriya, O. Murakami, H. Kawakata, N. Yoshimitsu, A. Ward, R. Durrheim, H. Ogasawara, Frequency-Magnitude Distribution of -3.7 <= MW <= 1 Mining-Induced Earthquakes Around a Mining Front and b Value Invariance with Post-Blast Time, PAGEOPH, 171, 2665-2684, 2014.

Durrheim, R.J., H. Ogasawara, M. Nakatani, Y. Yabe, A.M. Milev, A. Cichowicz, H. Kawakata, (他12名), the SATREPS Research Group, Observational studies in South African mines to mitigate seismic risks: a mid-term review of the five-year SATREPS project, Proc. Sixth South African Rock Eng. Symp. 2014, 241-250, 2014.

Okuwaki, R., Yagi, Y., Hirano, S., Relationship between High-frequency Radiation and Asperity Ruptures, Revealed by Hybrid Back-projection with a Non-planar Fault Model, Scientific Reports, 4, doi:10.1038/srep07120, 2014.

Yagi, Y., R. Okuwaki, B. Enescu, S. Hirano, Y. Yamagami, S. Endo, T. Komoro, Rupture process of the 2014 Iquique Chile Earthquake in relation with the foreshock activity, Geophys. Res. Lett., 41, 4201-4206, 2014.

2013年

Doi I., H. Kawakata, Spatio-temporal occurrence patterns among the foreshocks preceding the 2007 Noto Hanto earthquake, Earth Planets Space, 65, 1053-1058.

Kawakata, H., N. Yoshimitsu, E. Fukuyama, K. Mizoguchi, F. Yamashita, T. Togo, M. Sato, I. Doi, Characteristics of Transmitting Waves across a Fault Plane during Stick Slip Tests Using a Large Shaking-Table, Proc. 6th Int. Symp. on In-Situ Rock Stress, Sendai, 1156-1161, 2013.

Doi I., H. Kawakata, High resolution spatial distribution of the velocity discontinuities in and around the swarm region beneath the Wakayama district, southwest Japan, Bull. Seismol. Soc. Am., 103, 2135-2141.

Kawakata H., T. Okuno, I. Doi, N. Yoshimitsu, N. Takahashi, M. Takahashi, Three dimensional structure of a fault generated during a triaxial compressive test with a granite sample, Proc. 13th Japan Symp. on Rock Mech. and 6th Japan Korea Joint Symp., 979-982, 2013.

2012年

Yoshimitsu N., H. Kawakata, A. Yamamoto, H. Ogasawara, Y. Iio, Temporal changes in attenuation of S waves through a fault zone in a South African gold mine, Geophys. J. Int., 191, 3, 1317-1324, 2012.

Doi I., H. Kawakata, A non-accelerating foreshock sequence followed by a short period of quiescence for a large inland earthquake, Geophys. Res. Lett., 39, L11308, doi:10.1029/2012GL051779, 2012.

2011年

Kawakata, H., N. Yoshimitsu, N. Takahashi, Development of a broadband transducer assembly under triaxial compressive conditions, Proc. 10th SEGJ Int. Symp., 9-12, 2011.

Yoshimitsu N., H. Kawakata, Temporal Changes in the Q of Broadband P Waves Transmitting through a Fracturing Westerly Granite Sample under Triaxial Compressive Conditions, Bull. Seismol. Soc. Am., 101, 1, 421-426, 2011.

Hirano, S. Yamashita, T., Analysis of the static stress field around faults lying along and intersecting a bimaterial interface, Geophys. J. Int., 187, 1460-1478, 2011.

2009年

Yoshimitsu, N., H. Kawakata, N. Takahashi, Broadband P waves transmitting through fracturing Westerly granite before and after the peak stress under a triaxial compressive condition, Earth Planets Space, 61, e21-e24, 2009.

Yabe, Y., J. Philipp, M. Nakatani, G. Morema, M. Naoi, H. Kawakata, T. Igarashi, G. Dresen, H. Ogawasara, 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.

小笠原 宏、川方 裕則、石井 紘、中谷 正生、矢部 康男、飯尾 能久、南アフリカ金鉱山における半制御地震発生実験国際共同研究グループ, 南アフリカ金鉱山における半制御地震発生実験 -至近距離観測による地震発生過程の解明に向けて-, 地震 第2輯, 61, S563-S573, 2009.

2008年以前

山口慎司、川方裕則、安達俊仁、梅田康弘, 2005年福岡県西方沖地震の破壊初期段階の特徴, 地震 第2輯, 59, 241-252, 2007.

Yamada,T., J. J. Mori, S. Ide, R. E. Abercrombie, H. Kawakata, M. Nakatani, Y. Iio, H. Ogasawara, Stress drops and radiated seismic energies of microearthquakes in a South African gold mine, J. Geophys. Res., 112, doi:10.1029/2006JB004553, 2007.

Kawakata, H., H. Ogasawara, S. Sekiguchi, S. Uyama, K. Mino, Stress change prior to the major events in the 1989 earthquake swarm off the eastern Izu Peninsula, Japan, Earth Planets Space, 58, 305-314, 2006.

Yamada, T., J. Mori, S. Ide, H. Kawakata, Y. Iio, and H. Ogasawara, Radiation efficiency and apparent stress of small earthquakes in a South African gold mine, J. Geophys. Res., 101, doi:10.1029/2004JB003221, 2005.

Kawakata, H., A. Cho, T. Yanagidani, M. Shimada, Gross Structure of a Fault during its Formation Process in Westerly Granite, Tectonophys., 323, 61-76, 2000.

Kawakata, H., M. Shimada, Theoretical Approach to Dependence of Crack Growth Mechanism on Confining Pressure, Earth Planets Space, 52, 315-320, 2000.

Kawakata, H., A. Cho, T. Kiyama, T. Yanagidani, K. Kusunose, M. Shimada, Three-dimensional Observations of Faulting Process in Westerly Granite under Uniaxial and Triaxial Conditions by X-ray CT Scan, Tectonophys., 313, 293-305, 1999.

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