The 2025 SSJ Fall Meeting
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Session Details

Room CRegular session : S06. Crustal structure

[S06]Crustal structure

Mon. Oct 20, 2025 9:00 AM - 10:30 AM JST
Mon. Oct 20, 2025 12:00 AM - 1:30 AM UTC
Room C(411+412)
chairperson:Ryosuke AZUMA(RCPEVE, Graduate School of Science, Tohoku Univ.), Gou FUJIE(JAMSTEC)
9:00 AM - 9:15 AM JST(12:00 AM - 12:15 AM UTC)

[S06-01]New image of seismic structure in the Kuril Trench axial zone off Nemuro, Hokkaido, Japan, revealed from an acoustic FWI

*Ryosuke AZUMA1, Gou Fujie2, Ryota Hino1, Shuichi Kodaira2 (1. RCPEVE, Graduate School of Science, Tohoku Univ., 2. JAMSTEC)
9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)

[S06-02]Crustal Deformation in the Eastern End of Backarc Spreading inferred from the structure beneath the Kitakami River Valley (the Osaki Plain)

*Takaya IWASAKI1, Hiroshi Sato2, Eiji Kurashimo3, Hirokazu Ishige4, Hidehiko Shimizu5, Tatsuya Ishiyama3, Takashi Iidaka3, Masanao Shinohara3, Shinji Kawasaki4, Susumu Abe4, Naoshi Hirata3 (1. Association for the Development of Earthquake Prediction, 2. Center for Integrated Research and Education of Natural Hazards, Shizuoka University, 3. Earthquake Research Institute, the University of Tokyo, 4. JGI Inc., 5. JAPEX)
9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[S06-03]S-wave splitting analysis with Frequency Dependence
in Northeastern Japan

*Ryotaro Fujimura1, Tomomi Okada1, Martha Savage2, Ayaka Tagami3,1, Harumi Uchida1 (1. Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, 2. Victoria University of Wellington, 3. National Institute of Advanced Industrial Science and Technology)
9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[S06-04]Detailed structural evolution due to plate bending-related faulting in the outer trench area of the Japan Trench

*Gou FUJIE1, Seiichi Miura1, Yuka Kaiho1, Ryo Miura1, Jin-Oh Park2, Yasuyuki Nakamura1 (1. JAMSTEC, 2. AORI)
10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)

[S06-05]Convolutional Neural Networks for Seismic Velocity Model Building and Application to Field Data

*Fan Yu1, Ehsan Jamali Hondori2, Hamzeh Mohammadigheymasi1, Jin-Oh Park1 (1. Atmosphere and Ocean Research Institute, The University of Tokyo, 2. Geoscience Enterprise Inc.)
10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[S06-06]Full Waveform Inversion of Extra-long Offset Seismic Data for Imaging 2024 Noto Earthquake (M7.6) Rupture Zone

*Ehsan Jamali Hondori1, Hamzeh Mohammadigheymasi2, Tatsuya Ishiyama3, Jin-Oh Park2 (1. Geoscience Enterprise Inc (GSE), 2. Atmosphere and Ocean Research Institute, The University of Tokyo, 3. Earthquake Research Institute, The University of Tokyo)
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