The 2026 SSJ Fall Meeting
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Room CRegular session : S07. Structure and dynamics of the Earth and planetary interiors

[S07]Structure and dynamics of the Earth and planetary interiors

Wed. Nov 4, 2026 9:30 AM - 11:00 AM JST
Wed. Nov 4, 2026 12:30 AM - 2:00 AM UTC
Room C (9F)
chairperson: Kotaro TARUMI (Earthquake Research Institute, The university of Tokyo), Kazuki Matsuyama (Nagoya University)
9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[S07-01]Measurement Elastic Wave Velocity of Lunar Simulant Under Low Pressure for Shallow Depths and Application to Vacuum Environments

*Takahito Fukushige1, Naofumi Aso1, Keisuke Onodera2, Satoshi Tanaka3, Taichi Kawamura4 (1. Tokyo University of Science, 2. Institute fo Planetary Materials, Okayama University, 3. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 4. Université Paris Cité, Institut de Physique du Globe de Paris)
9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[S07-02]Seismic anisotropy of the Horoman peridotites: Effects of crystallographic preferred orientation and mineral modes

*Kazuki Matsuyama1,2, Katsuyoshi Michibayashi1,3 (1. Nagoya Univ., 2. Univ. Montpellier, 3. JAMSTEC)
10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)

[S07-03]Hypocenter relocation of intermediate-depth and deep earthquakes using travel-time data from OBSs deployed in the Japan Sea

*Takumi Sato1, Genti Toyokuni1, Dapeng Zhao1, Motoya Suzuki1, Ryo Tsunashima1, Takeshi Akuhara2, Masanao Shinohara2, Kazuo Nakahigashi3, Yuzuru Kaneko4, Shun Fukushima5 (1. Tohoku University, 2. Earthquake Research Institute, The University of Tokyo, 3. Tokyo University of Marine Science and Technology, 4. Japan Organization for Metals and Energy Security, 5. Hokkaido University)
10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[S07-04]Adjoint tomography of the shear wave velocity at the inner core surface using antipodal wispering gallery mode

*Seiji TSUBOI1, Masayuki Obayashi2, Rhett Butler3 (1. JAMSTEC CEIST, 2. JAMSTEC IMG, 3. Univ. Hawaii)
10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)

[S07-05]Global Mapping of Azimuthal Anisotropy from P-wave Polarization Anomalies

*Kotaro TARUMI1, Kazunori Yoshizawa2 (1. Earthquake Research Institute, The university of Tokyo, 2. Faculty of Science, Hokkaido university)
10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)

[S07-06]Seismic Waveform Inversion for the 3-D S-Wave Velocity Structure in D″ beneath the North Atlantic

*Shota Kataoka1, Keisuke Otsuru2, Kenji Kawai1 (1. The University of Tokyo , 2. Hokkaido University)
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