Session Details
[P09]Seismicity
Wed. Nov 4, 2026 5:30 PM - 7:00 PM JST
Wed. Nov 4, 2026 8:30 AM - 10:00 AM UTC
Wed. Nov 4, 2026 8:30 AM - 10:00 AM UTC
Room P09 (802ー805) (8F)
[P09-01]Foreshock Occurrence Rates and Physical Characteristics Revealed by Comparing Different Foreshock Definitions
*Motomasa Murata1, Satoshi Ide1, Ryosuke Ando1 (1. The University of Tokyo)
[P09-02]Mechanism of strain rate dependency of b-values of oceanic intraplate earthquakes ~stress heterogeneity may cause high b-value~
*Ryohei SASAJIMA1, Takeo Ito2 (1. Unaffiliated, 2. Nagoya Univ.)
[P09-03]Estimation of relative location based on the cross-correlation coefficient of seismic waveforms
*Toshihiro IGARASHI1 (1. Earthquake Research Institute, The University of Tokyo)
[P09-04]Automatic Construction of a Source Region Model Based on AQUA-CMT Solution
*Hisahiko KUBO1, Kaoru Sawazaki1, Taku Ueda1, Katsuhiko Shiomi1, Hisanori Kimura1 (1. National Research Institute for Earth Science and Disaster Resilience)
[P09-05]Crustal and deep seismic activity including low frequency events near Hakodate revealed by Frequency Index (FI)
*Shinako NOGUCHI1, Masahiro KOSUGA2, Takuto MAEDA2 (1. Association for the Development of Earthquake Prediction (ADEP), 2. Hirosaki University)
[P09-06]Duo ETAS Model for Mutual Interaction Between Earthquake Clusters
*Itsuki Teraoka1, Naofumi Aso1 (1. Tokyo University of Science)
[P09-07]Seismicity analysis of 2025–2026 M7-class earthquakes off Aomori and Iwate
*Keita CHIBA1 (1. Association for the Development of Earthquake Prediction)
[P09-08]Deep-Learning Detection and Relocation of Small Aftershocks in the Northern Margin of the 2011 Tohoku-oki Rupture Zone Using Pop-up OBS Data
*Chingyu Hu1, Ryota Hino1, Shun Fukushima2, Masanao Shinohara3 (1. Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 2. Institute of Seismology and Volcanology, Faculty of Science, Hokkaido University, 3. Earthquake Research Institute,The University of Tokyo)
[P09-09]Estimation of spatiotemporal stress changes on the Pacific plate beneath the Kanto region using seismic activity
*Haruki Ariizumi1, Noriko Tsumura2 (1. Graduate School of Science and Engineering, Univ of Chiba, 2. Graduate School of Science, Univ of Chiba)
[P09-10]Machine-learning-based Seismicity Detection in the Northern Nagano Region, Following the 2011 M9.0 Tohoku-Oki Earthquake
*YuXuan Teh1, Bogdan Enescu1, Louisa Bagot1, Tetsuya Takeda2 (1. Department of Geophysics, Kyoto University, 2. National Research Institute for Earth Science and Disaster Resilience)
[P09-11]Focal Mechanism Characteristics of Aftershocks Following the 2024 Noto Peninsula Earthquake Revealed by a Dense Seismic Network
*Hidenobu Takahashi TAKAHASHI1, Yasuhira Aoyagi1, Keisuke Yoshida2, Eiji Kurashimo3 (1. Central Research Institute of Electric Power Industry, 2. Research Center for Prediction of Earthquakes and Volcanic Eruptions, Tohoku University, 3. Earthquake Research Institute, the University of Tokyo)
[P09-12]Detection of Slow Slip Preceding Crustal Earthquakes Based on Seismic and Geodetic Data Analysis
*Tessei Tanaka1, Aitaro Kato1, Yuji Itoh1 (1. Earthquake Research Institute, the University of Tokyo)
[P09-13]Seismic activity and crustal deformation in the northern part of Yamaguchi Prefecture since early 2025
*Kei Yamashita1, Kazuki Miyaoka2, Masahiro Hikita1, Wataru Iha2, Takeshi Kitagawa1, Takashi Inaba2, Hiroshi Ueno2, Hiromitsu Fujii2, Wataru Nakamura2, Taisuke Hamada2, Kana Akiyama2, Yasuyuki Yamada3, Aitaro Kato4 (1. Osaka Regional Headquarters, 2. Japan Meteorological Agency, 3. Fukuoka Regional Headquarters, 4. Earthquake Research Institute, The University of Tokyo)
[P09-14]Relationship Between the Northern Yamaguchi Swarm and the 1997 Northern Yamaguchi Earthquake
*Shuta Kusakabe1, Nafumi Aso1 (1. Tokyo University of Science)
[P09-15]Detailed Analysis of Hypocenter Migration in the Earthquake Swarm in Northern Yamaguchi Prefecture
*Shuhei Usami1, Junichi Nakajima1 (1. Institute of Science Tokyo)
[P09-16]Microearthquake Detection and Assessment of Seismic Activity Characteristics near the Asamigawa Fault Using the Matched Filter Method
*Shunto Yoshimura1, Nana Yoshimitu1 (1. Kyoto University)
[P09-17]Changes in seismic activity of the Kirishima Volcanic Region following large earthquakes
*Ayato Soga1, Satoshi Matsumoto2, Satoru Baba2, Kentaro Emoto2, Takeshi Matsushima2, Issei Hirata1, Yohei Yukutake3, Mie Ichihara3 (1. Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University, 2. Institute of Seismology and Volcanology, Faculty of Science, Kyushu University, 3. Earthquake Research Institute, University of Tokyo)
[P09-18]Attempt to detect P- and S-wave onsets of shallow tremors using ocean bottom seismometers in Hyuga-nada
*Issei Hirata1, Satoru Baba1, Takeshi Matsushima1, Satoshi Matsumoto1, Kentaro Emoto1, Yusuke Yamashita2, Yukihiro Nakatani3, Hiroshi Yakiwara3, Yoshihiro Ito4, Masanao Shinohara5 (1. Kyushu University, 2. Miyazaki Municipal University, 3. Kagoshima University, 4. Kyoto University, 5. The University of Tokyo)
[P09-19]Attempt to detect and locate shallow very low frequency earthquakes using ocean bottom seismometers in Hyuga-nada
*Yuya Imamura1, Satoru Baba2, Takeshi Matsushima2, Yusuke Yamashita3, Masanao Shinohara4, Youichi Asano5 (1. Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University, 2. Institute of Seismology and Volcanology, Kyushu University , 3. Miyazaki Municipal University, 4. Earthquake Research Institute, The University of Tokyo, 5. National Research Institute for Earth Science and Disaster Resilience)
[P09-20]Repeated Occurrence of M6-Class Earthquakes in Two Distinct Hypocentral Clusters beneath Okinoerabu Island
*Mamoru NAKAMURA1,2 (1. Faculty of Science, University of the Ryukyus, 2. Disaster Prevention Research Center for Islands Region, University of the Ryukyus)
[P09-21]Detection of very low frequency earthquakes at the Chilean Triple Junction
*Satoru BABA1, Satoshi Ide2, Sergio Ruiz3 (1. Faculty of Science, Kyushu University, 2. School of Science, the University of Tokyo, 3. Universidad de Chile)
[P09-22]Composite source inversion resolving the explosive cycle of the 2022 Hunga submarine eruption
*Ryo OKUWAKI1, Wenyuan Fan2, Osamu Sandanbata3, Diana C. Roman4, Yuri Fialko2 (1. University of Tsukuba, 2. University of California, San Diego, 3. Earthquake Research Institute, The University of Tokyo, 4. Carnegie Institution for Science)