R. Agata, R. Nakata, A. Kasahara, Y. Yagi, Y. Seshimo, S. Yoshioka, T. Iinuma. Bayesian Multi-Model Estimation of Fault Slip Distribution for Slow Slip Events in Southwest Japan: Effects of Prior Constraints and Uncertain Underground Structure. JOURNAL OF GEOPHYSICAL RESEARCH - Solid Earth, 2022, 127, 8, doi: 10.1029/2021JB023712
Shinji Yamashita, Yuji Yagi, Ryo Okuwaki, Kousuke Shimizu, Ryoichiro Agata, Yukitoshi Fukahata. Potency density tensor inversion of complex body waveforms with time-adaptive smoothing constraint. GEOPHYSICAL JOURNAL INTERNATIONAL, 2022, 231, 1, p. 91-107, doi: 10.1093/gji/ggac181
Fumiaki Tomita, Takeshi Iinuma, Ryoichiro Agata, Takane Hori. Development of a Trans-dimensional Fault Slip Inversion for Geodetic Data. JOURNAL OF GEOPHYSICAL RESEARCH - Solid Earth, 2021, 126, doi: 10.1029/2020JB020991
Shinji Yamashita, Yuji Yagi, Ryo Okuwaki, Kousuke Shimizu, Ryoichiro Agata, Yukitoshi Fukahata. Consecutive Ruptures on a Complex Conjugate Fault System During the 2018 Gulf of Alaska Earthquake. Scientific Reports, 2021, 11, doi: 10.1038/s41598-021-85522-w
Takane Hori, Ryoichiro Agata, Tsuyoshi Ichimura, Kohei Fujita, Takuma Yamaguchi, Takeshi Iinuma. High fidelity elastic Green's functions for subduction zone models consistent with the global standard geodetic reference system. EARTH PLANETS AND SPACE, 2021, 73, doi: 10.1186/s40623-021-01370-y
Ryoichiro Agata, Amato Kasahara, Yuji Yagi. A Bayesian inference framework for fault slip distributions based on ensemble modeling of the uncertainty of underground structure : With a focus on uncertain fault dip. GEOPHYSICAL JOURNAL INTERNATIONAL, 2021, 225, 2, p. 1392-1411, doi: 10.1093/gji/ggab033
Masaru Nakano, Shane Murphy, Ryoichiro Agata, Yasuhiko Igarashi, Masato Okada, Takane Hori. Self-similar stochastic slip distributions on a non-planar fault for tsunami scenarios for megathrust earthquakes. Progress in Earth and Planetary Science, 2020, 7, doi: 10.1186/s40645-020-00360-0
Ryoichiro Agata, Takane Hori, Sylvain D. Barbot, Mamoru Hyodo and Tsuyoshi Ichimura. Quasi-static Simulation Method of Earthquake Cycles Based on Viscoelastic Finite Element Modeling. Mathematical Analysis of Continuum Mechanics and Industrial Applications III. CoMFoS 2018. Mathematics for Industry, Springer, Singapore, 2020, 34, doi: 10.1007/978-981-15-6062-0_11
Agata Ryoichiro. Introduction of covariance components in slip inversion of geodetic data following a non-uniform spatial distribution and application to slip deficit rate estimation in the Nankai Trough subduction zone. GEOPHYSICAL JOURNAL INTERNATIONAL, 2020, 221, 3, p. 1832-1844, doi: 10.1093/gji/ggaa116
Ryoichiro Agata, Sylvain D. Barbot, Kohei Fujita, Mamoru Hyodo, Takeshi Iinuma, Ryoko Nakata, Tsuyoshi Ichimura & Takane Hori. Rapid mantle flow with power-law creep explains deformation after the 2011 Tohoku mega-quake. Nature Communications, 2019, 10, doi: 10.1038/s41467-019-08984-7
Ryoichiro Agata, Takane Hori, Keisuke Ariyoshi, Tsuyoshi Ichimura. Detectability analysis of interplate fault slips in the Nankai subduction thrust using seafloor observation instruments. MARINE GEOPHYSICAL RESEARCH, 2019, doi: 10.1007/s11001-019-09380-y
Ryoichiro Agata, Tsuyoshi Ichimura, Takane Hori, Kazuro Hirahara, Chihiro Hashimoto, Muneo Hori. An adjoint-based simultaneous estimation method of the asthenosphere's viscosity and afterslip using a fast and scalable finite-element adjoint solver. GEOPHYSICAL JOURNAL INTERNATIONAL, 2018, 213, 1, p. 461-474
Tsuyoshi Ichimura, Ryoichiro Agata, Takane Hori, Kenji Satake, Kazuto Ando, Toshitaka Baba, Mueno Hori. Tsunami Analysis Method with High-Fidelity Crustal Structure and Geometry Model. Journal of Earthquake and Tsunami, 2017, 11, 05, p. 1750018-1-1750018-18
Takuma Yamaguchi, Tsuyoshi Ichimura, Yuji Yagi, Ryoichiro Agata, Takane Hori, Muneo Hori. Fast crustal deformation computing method for multiple computations accelerated by a graphics processing unit cluster. GEOPHYSICAL JOURNAL INTERNATIONAL, 2017, 210, 2, p. 787-800, doi: 10.1093/gji/ggx203
Tsuyoshi Ichimura, Ryoichiro Agata, Takane Hori, Kazuro Hirahara, Chihiro Hashimoto, Muneo Hori and Yukitoshi Fukahata. An elastic/viscoelastic finite element analysis method for crustal deformation using a 3-D island-scale high-fidelity model. GEOPHYSICAL JOURNAL INTERNATIONAL, 2016, 206, p. 114-129, doi: 10.1093/gji/ggw123
Mamoru Hyodo, Ryoichiro Agata, Tsuyoshi Ichimura, Takane Hori. Postseismic Process of Moderate and Large Interplate Earthquakes Within the Source Area of the Megathrust Earthquakes Along the Nankai Trough. AOGS 14th Annual Meeting, 2017, 2017
ポスター発表(JAMSTECでの成果)
R. Agata, T. Ichimura, M. Hyodo, S. Barbot and T. Hori. Quasi-static earthquake cycle simulation based on nonlinear viscoelastic finite element analyses. American Geophysics Union Fall Meeting, 2017
R. Agata, T. Ichimura, M. Hyodo, S. Barbot and T. Hori. 非線形粘弾性有限要素解析を用いた準静的地震サイクルシミュレーション手法の開発. 日本地震学会2018年度秋季大会, 2017
Ryoichiro AGATA, Tsuyoshi ICHIMURA, Mamoru HYODO, Sylvain BARBOT and Takane HORI. Quasi-static simulation method of earthquake cycles based on large-scale viscoelastic finite element analyses. AOGS 14th Annual Meeting, 2017
R. Agata, T. Ichimura, M. Hyodo, S. Barbot and T. Hori. 大規模粘弾性有限要素解析を用いた準静的な地震サイクルシミュレーション手法の開発. 日本地球惑星科学連合2017年大会, 2017