Session Details
[P09]Seismicity
Tue. Oct 21, 2025 5:00 PM - 6:45 PM JST
Tue. Oct 21, 2025 8:00 AM - 9:45 AM UTC
Tue. Oct 21, 2025 8:00 AM - 9:45 AM UTC
Room P09 (502+503)(502+503)
[P09-01]Similar earthquake activities in Japan extracted from the median of the cross-correlation coefficients
*Toshihiro IGARASHI1 (1. Earthquake Research Institute, The University of Tokyo)
[P09-02]Earthquake Size Distributions and Upper-Plate Topography in Subduction Zones
*Kota Saito1, Satoshi Ide1 (1. Univ. of Tokyo)
[P09-03]Foreshock Occurrence Rate and Location Characteristics Based on Different Definitions
*Motomasa Murata1, Satoshi Ide2, Ryosuke Ando2 (1. Department of Earth and Planetary Physics, Faculty of Science, the University of Tokyo, 2. Graduate School of Science, the University of Tokyo)
[P09-04]Detecting intermediate period seismicity around Sofugan in October 2023
*Taichi Aoki1, Ryo Okuwaki1 (1. University of Tsukuba)
[P09-05]Detection of low frequency earthquakes around the Tsugaru Strait using distributed acoustic sensing data
*Satoru BABA1,2, Eiichiro Araki2, Takashi Yokobiki2, Tadashi Amano3, Toru Sakai3, Takuma Sekiguchi3, Shinako Noguchi4 (1. Kyushu University, 2. Japan Agency for Marine-Earth Science and Technology, 3. Electric Power Development Co.,Ltd., 4. Association for the Development of Earthquake Prediction)
[P09-06]Seismic activity off Vancouver Island in the northern Cascadia subduction zone from seafloor observations
*Koichiro OBANA1, Hajime Shiobara2, Hiroko Sugioka3, Tsutomu Takahashi1, Michael Riedel5, Dietrich Lange5, Tianhaozhe Sun4, Andrew Schaeffer4, Karen Douglas4, Michelle Côté4, Tiegan Hobbs4, Cooper Stacey4, Kelin Wang4, Martin Heesemann 6, Martin Scherwath6, Jesse Hutchinson6 (1. JAMSTEC, 2. ERI, Univ. of Tokyo, 3. Kobe University, 4. Geological Survey of Canada, 5. GEOMAR Helmholtz Centre for Ocean Research Kiel, 6. Ocean Networks Canada)
[P09-07]Comprehensive detection of shallow tectonic tremors using the DONET ocean-bottom seismic network in the Nankai Trough, Japan
*Kodai SAGAE1, Masayuki KANO2, Suguru YABE1, Takahiko UCHIDE1 (1. Geological Survey of Japan, AIST, 2. Graduate School of Science, Tohoku University)
[P09-08]Spatial distribution of shallow very-low-frequency earthquakes and normal earthquakes off Muroto detected by DONET2 seismic stations
*Yojiro Yamamoto1, Shuichiro Yada1, Kazuyoshi Nanjo2, Narumi Takahashi3 (1. JAMSTEC, 2. Univ. of Shizuoka, 3. NIED)
[P09-09]Toward a Comprehensive Tectonic Tremor Catalog for the Shallow Nankai Trough by Exploring Seismic Signal Classification Features
*Akiko Toh TO1, Aitaro Kato2, Eiichiro Araki1 (1. Jamstec, 2. ERI Univ. of Tokyo)
[P09-10]Trial of hypocenter relocation using a new 3D seismic velocity model around the Nankai Trough (2): Model update and incorporation of N-net
*Katsuhiko SHIOMI1, Makoto MATSUBARA1, Ayako NAKANISHI2, Gou FUJIE2, Youichi ASANO1, Takayuki MIYOSHI1 (1. NIED, 2. JAMSTEC)
[P09-11]Detection of short-term slow slip events based on seismic energy radiation from low-frequency tremor beneath the Kii peninsula
*Akemi NODA1, Kenichi FUJITA1, Kazuki MIYAOKA1, Kazumasa NAKAYAMA1 (1. Seismology and Volcanology Department, Japan Meteorological Agency)
[P09-12]Preliminary Consideration of ETAS Parameter Variations in Aftershock Activity
*Takao KUMAZAWA1, Yosihiko Ogata1 (1. The Institute of Statistical Mathematics)
[P09-13]A simplified anisotropic spatial kernel in the space-time ETAS model
*Takaki IWATA1,2 (1. Comprehensive Education Center, Prefectural University of Hiroshima, 2. The Institute of Statistical Mathematics)
[P09-14]Spatiotemporal analysis of seismicity in the Niigata-Chuetsu area and the Iwate-Miyagi inland area using the ETAS model
*Harumi Uchida1, Tomomi Okada1, Ryotaro Fujimura1, Ayaka Tagami2,1 (1. Graduate School of Science, Tohoku University, 2. National Institute of Advanced Industrial Science and Technology)
[P09-15]The influence of characteristics of microseismicity catalog in geothermal field on ETAS analysis results
*Naoki Aoyagi1, Kyosuke Okamoto1, Yusuke Mukuhira2, Hiroshi Asanuma1 (1. National Institute of Advanced Industrial Science and Technology, 2. Tohoku University)
[P09-16]Shallow crustal stress field in northern Hokkaido, Japan
*Ayaka TAGAMI1,2, Hiroaki Takahashi3, Mako Ohzono3, Tomomi Okada2 (1. Geological Survey of Japan, AIST, 2. Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 3. Institute of Seismology and Volcanology, Faculty of Science, Hokkaido University)
[P09-17]Hierarchical Clustering of the potency density tensor inversion model: a case study of the 1993 Hokkaido Nansei-Oki earthquake
*Yukio Harashima1, Yuji Yagi1, Ryo Okuwaki1 (1. Tsukuba Univ.)
[P09-18]Detecting depth dependency of the deviatoric stress field in the seismogenic layer of the Kyushu Island, based on the focal mechanism data.
*Serika Mishima1, Satoshi Matsumoto2, Kentaro Emoto2, Yuhei Yuasa3, Yushi Nagayama1 (1. Kyushu university, 2. Institute of Seismology and Volcanology Faculity of Science, Kyushu University, 3. Japan Meteorological Agency)
[P09-19]Characteristics of hypocenter distributions near the Hinagu and Yatsushiro segments detected by the temporary seismic observation
*Hidenobu TAKAHASHI1, Yasuhira Aoyagi1, Haruo Kimura1 (1. Central Research Institute of Electric Power Industry)
[P09-20]Seismicity of Various Earthquakes at Mt. Aso
*Haruka Kuroiwa1, Naofumi Aso1 (1. Tokyo University of Science)
[P09-21]Seismicity analysis in the vicinity of the Tokara Islands
*Keita CHIBA1 (1. Association for the Development of Earthquake Prediction)