The 2025 SSJ Fall Meeting
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Room CRegular session : S06. Crustal structure

[S06]Crustal structure

Mon. Oct 20, 2025 10:45 AM - 12:00 PM JST
Mon. Oct 20, 2025 1:45 AM - 3:00 AM UTC
Room C(411+412)
chairperson:Tetsuro TSURU(Shonan Institute of Geology & Geophysics), Yukihiro NAKATANI(Kagoshima University)
10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)

[S06-07]A study on leaking methane gas in Tokyo Bay and fault coupling

*Tetsuro TSURU1,2, Kazuo NAKAHIGASHI1 (1. Tokyo Univ. of Marine Science and Technology, 2. Univ. of Tokyo)
11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)

[S06-08]Configuration of subducting Philippine Sea plate estimated with NIED MeSO-net, S-net, and so on.

*Makoto MATSUBARA1, Shin'ichi Sakai2 (1. National Research Institute for Earth Science and Disaster Resilience, 2. Earthquake Research Institute, the University of Tokyo)
11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[S06-09]Seismic Activity and Velocity Structure in the M7-Class Repeating Earthquake Zone of the Southern Hyuga-nada, Japan

*Issei Hirata1, Yusuke Yamashita2, Takeshi Matsushima1, Yukihiro Nakatani3, Shuichiro Hirano3, Hiroshi Yakiwara3, Kazuo Nakahigashi4, Kentaro Emoto1, Satoshi Matsumoto1, Satoru Baba1, Shukei Ohyanagi5, Yoshihiro Ito5, Yamamoto Yojiro6, ChingYu Hu7, Tomoaki Yamada7, Masanao Shinohara7 (1. Kyushu University, 2. Miyazaki Municipal University, 3. Kagoshima University, 4. Tokyo University of Marine Science and Technology, 5. Kyoto University, 6. Japan Agency for Marine-Earth Science and Technology, 7. The University of Tokyo)
11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[S06-10]Three-dimensional seismic velocity structure in the Hyuga-nada forearc: Kyushu-Palau Ridge subduction and mud volcano distribution

*Ryuta ARAI1, Kazuya Shiraishi1, Yasuyuki Nakamura1, Gou Fujie1, Seiichi Miura1, Ayako Nakanishi1, Tsutomu Takahashi1, Shuichi Kodaira1, Kimihiro Mochizuki2 (1. Japan Agency for Marine-Earth Science and Technology, 2. Earthquake Research Institute, The University of Tokyo)
11:45 AM - 12:00 PM JST(2:45 AM - 3:00 AM UTC)

[S06-11]Estimation of the 3D seismic velocity structure around the Ata caldera, Kyushu, Japan, based on seafloor and onshore seismic observations

*Yukihiro NAKATANI1, Hiroki Miyamachi1, Reiji Kobayashi1, Hiroshi Yakiwara1 (1. Graduate School of Science and Engineering, Kagoshima Univ.)
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