[S24] The 2026 Kumamoto Earthquake | The 2026 SSJ Fall Meeting

Session Details

Room BLate-Breaking session : S24. The 2026 Kumamoto Earthquake

[S24]The 2026 Kumamoto Earthquake

Thu. Nov 5, 2026 2:00 PM - 3:30 PM JST
Thu. Nov 5, 2026 5:00 AM - 6:30 AM UTC

Room B (5F)

chairperson: Yoshihiro ITO (Disaster Prevention Research Institute, Kyoto University), Shinya TANAKA (Tokyo Electric Power Services Co., Ltd.), Asako IWAKI (National Research Institute for Earth Science and Disaster Resilience)

2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[S24-01]The 2026 Kumamoto Earthquake -Seismicity and Earthquake Information issued by JMA-

*Hiroshi UENO¹, Koji TAMARIBUCHI¹, Masashi KIYOMOTO¹, Takahiro OKA¹, Ryo NISHITANI¹, Tomoaki MARUYAMA¹, Sadaaki NISHIDA¹, Masanori KURIHARA¹, Tomoya FUJIMURA¹, Ken MORIWAKI¹, Jumpei SHIMIZU¹, Issei SUGANUMA¹, Hirokazu SAKIHARA¹, Hiromitsu FUJII¹, Watatu NAKAMURA¹ (1. JMA)

2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[S24-02]Background of the 2026 Kumamoto Earthquake: Insights from Seismicity, Stress, and Criticality

*Satoshi MATSUMOTO¹, Kentaro Emoto¹, Takeshi Matsushima¹, Yushi Nagayama², Issei Hirata², Hiromi Sunagawa², Serika Mishima², Ayato Soga², Joint University Seismic Observation Group for the 2026 Kumamoto Earthquake¹ (1. Institute of Seismology and Volcanology, Kyushu University, 2. Graduate School of Science, Kyushu University)

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[S24-03]Temporal evolution of the strain-rate field in Kyushu since the 2016 Kumamoto earthquake

*Yohei Nozue¹, Youichiro Takada¹, Yukitoshi Fukahata² (1. Faculty of Science, Hokkaido University, 2. DPRI, Kyoto University)

2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[S24-04]Coseismic and postseismic deformation of the 2026 Kumamoto earthquake observed by dense GNSS observations

*Takuya NISHIMURA¹, Yukitoshi Fukahata¹, Airi Nagaoka¹, Rintaro Miyamachi¹, Takeshi Matsushima², Yushi Nagayama², Masahiro Yamaguchi², Shigeru Nakao³, Yusaku Ohta⁴, Tomotsugu Demachi⁴, Toshiki Kaida⁴, Miku Ohdate⁴, Mako Ohzono⁵, Hiroaki Takahashi⁵, Masayoshi Ichiyanagi⁵, Teruhiro Yamaguchi⁵, Takeo Ito⁶, Takeshi Sagiya⁶ (1. Kyoto University, 2. Kyushu University, 3. Kagoshima University, 4. Tohoku University, 5. Hokkaido University, 6. Nagoya University)

3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

[S24-05]Strong Ground Motions and Its Source Rupture Process of the 2026 Kumamoto Earthquake

*Kimiyuki ASANO¹ (1. DPRI, Kyoto University)

3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[S24-06]Broadband Source Model for the 2026 Kumamoto Earthquake Estimated from Strong Motion Records

*Kazuhiro SOMEI¹, Yujia GUO¹, Ken MIYAKOSHI¹, Shohei YOSHIDA¹ (1. Ohsaki Research Institute, Inc.)

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