Session Details

[P08]Earthquake physics

Mon. Oct 20, 2025 5:15 PM - 7:00 PM JST
Mon. Oct 20, 2025 8:15 AM - 10:00 AM UTC
Room P08 (502+503)(502+503)

[P08-02]Ultra-microearthquake activity at Showa-Shinzan, Usu Volcano, Hokkaido, Japan.

*Rikuto Kawaike1, Motoko Ishise2, Akiko Takeo3, Kiwamu Nishida3, Hiroshi Aoyama4, Yosuke Aoki3 (1. Yamaga University, Graduate School of Science and Engineering, 2. Yamagata University, 3. Earthquake Research Institute, the University of Tokyo, 4. Institute of Seismology and Volcanology, Hokkaido University)

[P08-03]Source spectrum of a short-term slow slip event

*Akio KATSUMATA1, Kazuki Miyaoka2, Takahiro Tsuyuki3, Satoshi Itaba4, Masayuki Tanaka3, Takeo Ito5, Akiteru Takamori6, Akito Araya6 (1. University of Toyama, 2. Japan Meteorological Agency, 3. Meteorological Research Institute, JMA, 4. AIST, 5. Nagoya Univ., 6. ERI, Univ. of Tokyo)

[P08-04]Estimating Absolute Values of Effective Normal Stress During the Cascadia Slow Slip Events

*Toshinori SATO1, Kanna Sakata2 (1. Graduate School of Science, Chiba University, 2. Faculty of Science, Chiba University)

[P08-05]Complex source process of the 2025 Mw 7.7 Myanmar earthquake inferred from teleseismic body and surface waves

*Kotaro TARUMI1, Kazunori Yoshizawa1 (1. Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University)

[P08-06]Do repeating earthquakes occur in intraplate crustal regions? — Detection in the Noto Peninsula seismic swarm

*Maki Komatsu1, Junichi Nakajima1 (1. Institute of Science Tokyo)

[P08-07]Non-planar faults of the 2024 Noto-Hanto earthquake beneath a marine region as inferred from hypocentral distribution

*Haruo HORIKAWA1, Takahiko Uchide1 (1. National Institute of Advanced Industrial Science and Technology)

[P08-08]Rupture velocity estimates of the 2024 Noto Peninsula earthquake using seismic stereometry

*Kazuki Takahashi1, Hiroe Miyake2,1, Claudio Satriano3 (1. Earthquake Research Institute, The University of Tokyo, 2. Interfaculty Initiative in Information Studies, The University of Tokyo, 3. Institut de Physique du Globe de Paris)

[P08-09]Rupture characteristics of an earthquake (Mw 5.3) at the edge of the largest coseismic slip area during the 2024 Noto Peninsula Earthquake

*Sora Tsukamoto1, Takuji Yamada2 (1. Graduate School of Science and Technology, Ibaraki Univ., 2. Ibaraki University)

[P08-10]Relationship between static stress drop of aftershocks and the coseismic slip of the 2024 Noto-Hanto Earthquake (M7.6)

*Koki Sato1, Yoshihiro Hiramatsu1, Tomomi Okada2, Keisuke Yoshida2, Ryota Takagi2, Shin’ichi Sakai3, Eiji Kurashimo3, Kentaro Emoto4, Satoshi Matsumoto4, Yoshiko Yamanaka5, Kei Katsumata6, Kazutoshi Miyazawa7, Takuto Maeda8, Motoko Ishise9, Kazutoshi Imanishi10, Takahiro Shiina10 (1. Kanazawa University, 2. Tohoku University, 3. University of Tokyo, 4. Kyushu University, 5. Nagoya University, 6. Hokkaido University, 7. Kyoto University, 8. Hirosaki University, 9. Yamagata University, 10. National Institute of Advanced Industrial Science and Technology)

[P08-11]Detection of slow slip events directly from continuous seismic waveforms along the Nankai Trough based on a random forest model

*Kazuki OHTAKE1, Aitaro KATO1, Yutaro OKADA2, Takuya NISHIMURA3 (1. Earthquake Research Institute, The University of Tokyo, 2. Uehiro Disaster Risk Reduction Research Division, International Research Institute of Disaster Science, Tohoku University, 3. Disaster Prevention Research Institute, Kyoto University)

[P08-13]Tidal sensitivity of shallow very low-frequency earthquakes in the Hyuganada region

*Shugo Tochitani1, Naoki Suda1 (1. Hiroshima University)

[P08-14]Spatiotemporal Distribution of Seismic Activity Associated with the Boso Slow Slip Events and Its Comparison with the Slip Distribution

*Masahiro Hashimoto1, Junichi Nakajima1, Yuta Amezawa2 (1. Institute of Science Tokyo, 2. AIST)

[P08-15]Estimating slip distribution of the 2024 Boso slow slip event using ocean bottom pressure gauges and GNSS

*Shion Kanazawa1, Toshinori Sato2, Norihisa Usui3, Kazuo Nakahigashi4, Tomoaki Yamada5, Masanao Shinohara5 (1. Chiba University, 2. Graduate School of Science, Chiba University, 3. Meteorological Research Institute, 4. Tokyo University of Marine Science and Technology, 5. Earthquake Research Institute, University of Tokyo)

[P08-16]Numerical Investigation of Temporal Changes in Repeating Earthquake Behavior Before and After the 2011 Tohoku-Oki Earthquake

*Yuki Watanabe1, Yoshihiro Kaneko1, Keisuke Yoshida2 (1. Graduate School of Science, Kyoto University, 2. Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University)

[P08-17]The latest event on the Median Tectonic Line active fault zone, inland Shikoku, inferred from dynamic rupture simulations (Part3)

*Yuko KASE1, Hisao KONDO1 (1. Geological Survey of Japan, AIST)

[P08-18]Modeling the Stress Field around the Kego Fault

*Hiromi Sunagawa1, Yushi Nagayama1, Kentaro Emoto2, Satoshi Matsumoto2 (1. Kyushu University, 2. Institute of Seismology and Volcanology, Facutly of Sciences, Kyushu University)

[P08-19]Reproducing the Distribution of the Surface Displacement for the Surface Rupturing Earthquake based on the Dynamic Rupture Simulation

*Kenichi TSUDA1, Junichi Miyakoshi1, Naoki Iwata2, Tane Shotaro2 (1. Institute of Technology Shimizu Corporation, 2. Chuden Engineering Consultants)

[P08-20]Long-term simulation of earthquake cycles using a four-scale circular patch model

*Ryoko NAKATA1, Takane HORI2, Hideo AOCHI3,4, Satoshi IDE1 (1. Graduate School of Science, The University of Tokyo, 2. Research Institute for Marine Geodynamics (IMG), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 3. Bureau de Recherches Géologiques et Miniéres, France (BRGM, France), 4. ENS-CNRS PSL, France)

[P08-21]Multi-scale circular patch model of quasi-dynamic simulation of earthquake cycle

*Ryoko NAKATA1, Takane HORI2, Hideo AOCHI3,4, Satoshi IDE1 (1. Graduate School of Science, The University of Tokyo, 2. Research Institute for Marine Geodynamics (IMG), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 3. Bureau de Recherches Géologiques et Miniéres, France (BRGM, France), 4. ENS-CNRS PSL, France)

[P08-22]Multi-scale rate-and-state friction law and coarse graining of hierarchical fault heterogeneity preserving source parameter scaling

*Reiju Norisugi1, Hiroyuki Noda2 (1. Graduate School of Science, Kyoto University, 2. Desaster Prevention Research Institute, Kyoto University)