Session information

[J] Oral

S (Solid Earth Sciences ) » S-SS Seismology

[S-SS13] Crustal Structure

Mon. May 25, 2026 10:45 AM - 12:15 PM Exhibition Hall Special Setting (6) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Nakatani Yukihiro(Graduate School of Science and Engineering, Kagoshima University), Miura Seiichi(Japan Agency for Marine-Earth Science and Technology)

This session aims to cover seismological and geophysical studies on the Earth's crust and uppermost mantle. Contribution to the seismological and geophysical structure of the crust and processes that develop in the crust which includes earthquakes, volcanoes, and geological descriptions of the crust are welcomed. We also welcome theoretical and methodological studies that will serve as basics in such explorations.This session is a Japanese/English session for presentation and discussion in Japanese because many similar sessions are English session. Moreover, this session is also for the presentation/discussion of Japanese name project without English name. We welcome the presentation from local to global scale with Japanese and English language.

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10:45 AM - 11:00 AM

[SSS13-01] Three-dimensional seismic velocity structure beneath the Ata caldera, southern Kyushu, Japan, derived from integrated land and ocean-bottom seismic observations

*Yukihiro Nakatani¹, Hiroki Miyamachi¹, Reiji Kobayashi¹, Hiroshi Yakiwara¹ (1. Graduate School of Science and Engineering, Kagoshima University)

11:00 AM - 11:15 AM

[SSS13-02] Extra-slab mantle earthquakes in Northern Yamaguchi: Effect of structural heterogeneities

*Ryo Tsunashima¹, Dapeng Zhao¹, Genti Toyokuni¹ (1. Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University)

11:15 AM - 11:30 AM

[SSS13-03] Fluid migration inferred from spatiotemporal variations in seismic attenuation in the northeastern Noto Peninsula

*Kana Izumi¹, Junichi Nakajima¹ (1. Institute of Science Tokyo)

11:30 AM - 11:45 AM

[SSS13-04] Seismic Velocity Heterogeneity and Slab-Derived Fluids beneath the Kii Peninsula: Improvements in Seismic Tomography

*Takuo Shibutani¹ (1. Kyoto University)

11:45 AM - 12:00 PM

[SSS13-05] High-Resolution Seismic Tomography Beneath the Tokyo Metropolitan Area Using MeSO-net Data

*Ichiro Oishi¹, Junichi Nakajima¹, Yuta Amezawa², Takahiko Uchide² (1. Department of Earth and Planetary Sciences, Institute of Science Tokyo, 2. Geological Survey of Japan, AIST)

12:00 PM - 12:15 PM

[SSS13-06] Seismic Velocity Structure produce by Miocene backarc opening tectonics in the Kanto region

*Hiroshi Sato^1,2, Makoto MATSUBARA³ (1. Earthquake Research Institute, The University of Tokyo, 2. Center for Integrated Research and Education of Natural Hazards, Shizuoka University, 3. National Research Institute for Earth Science and Disaster Resilience)

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