The 2025 SSJ Fall Meeting
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Session Details

Room BRegular session : S04. Tectonics

[S04]Tectonics

Mon. Oct 20, 2025 3:30 PM - 5:00 PM JST
Mon. Oct 20, 2025 6:30 AM - 8:00 AM UTC
Room B(409+410)
chairperson:Shoichi Yoshioka(Research Center for Urban Safety and Security, Kobe University / Department of Planetology, Faculty of Science, Kobe University), Dapeng ZHAO(Department of Geophysics, Tohoku University)
3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[S04-01]Joint inversion of local and teleseismic data for deep 3-D Q structure beneath Japan

*Dapeng ZHAO1, Zewei Wang2 (1. Department of Geophysics, Tohoku University, 2. Sun Yat-sen University)
3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[S04-02]Mantle Structure Beneath the Japan Sea and its Surrounding Areas Revealed by Multiscale Global Tomography (2)

*Takumi Sato1, Genti Toyokuni1, Dapeng Zhao1 (1. Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University)
4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[S04-03]Subslab heterogeneity and geodynamics of Japan subduction zone

*Motoya Suzuki1, Dapeng Zhao1, Genti Toyokuni1 (1. Department of Geophysics, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan)
4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)

[S04-04]Rheological modeling for assessing the effect of seamount subduction

*Erika Jessenia Moreno1, Vlad Constantin Manea2, Shoichi Yoshioka3, Marina Manea2, Nobuaki Suenaga3, Masataka Kinoshita1 (1. Earthquake Research Institute, 2. Computational Geodynamics Laboratory, Instituto de Geociencias, Universidad Nacional Autónoma de México, 3. Research Center for Urban Safety and Security, Kobe University)
4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)

[S04-05]Effects of hot plumes and slab rheology on the bending of the Philippine Sea slab at shallow depths beneath the Kyushu region, southwest Japan

Natsuki Kozai1, Nobuaki Suenaga2, *Shoichi Yoshioka2,1, Vlad Constantin Manea3 (1. Department of Planetology, Faculty of Science, Kobe University, 2. Research Center for Urban Safety and Security, Kobe University, 3. Computational Geodynamics Laboratory, Instituto de Geociencias, Universidad Nacional Autónoma de México)
4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[S04-06]A hypothesis on the variability of P-axis direction and degree of coupling between PHS slab and terrestrial plate around Ise Bay

*Taku KOMATSUBARA1 (1. Lake Biwa Museum)
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