The 2026 SSJ Fall Meeting
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Room ARegular session : S06. Crustal structure

[S06]Crustal structure

Wed. Nov 4, 2026 11:15 AM - 12:45 PM JST
Wed. Nov 4, 2026 2:15 AM - 3:45 AM UTC
Room A (5F)
chairperson: Dapeng ZHAO (Department of Geophysics, Tohoku University), Junichi NAKAJIMA (Institute of Science Tokyo)
11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[S06-07]Investigation of S-wave splitting analysis in northern Nagano Prefecture and mechanism solution estimation methods using S-waves

*Ryotaro Fujimura1, Tomomi Okada1, Ayaka Tagami3, Harumi Uchida1, Finnigan Illsley-Kemp2, Martha Savage2 (1. Tohoku Univ., 2. Victoria University of Wellington, 3. Geological Survey of Japan, AIST)
11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[S06-08]Monitoring Temporal Variations in Seismic Attenuation Using Spectral Ratios: Application to the Yamaguchi Earthquake Swarm

*Junichi NAKAJIMA1 (1. Institute of Science Tokyo)
11:45 AM - 12:00 PM JST(2:45 AM - 3:00 AM UTC)

[S06-09]Estimating Earthquake Stress Drops Using Spectral-Ratio-Anchored Hierarchical Q-Tomography: Application to Inland Earthquakes

*Seiya Yano1, Satoshi Ide1, Makoto Matsubara2 (1. Department of Earth and Planetary Science, The University of Tokyo, 2. National Research Institute for Earth Science and Disaster Resilience)
12:00 PM - 12:15 PM JST(3:00 AM - 3:15 AM UTC)

[S06-10]Comparative crustal anisotropy in Northeastern and Southwestern Japan revealed by shear-wave splitting analysis

*Muhammad Haikal Gunarya1, Junichi Nakajima1 (1. Institute of Science Tokyo)
12:15 PM - 12:30 PM JST(3:15 AM - 3:30 AM UTC)

[S06-11]The Hainan hotspot: crustal structure, magmatic fluids and seismotectonics

*Dapeng ZHAO1, Jianshe Lei2, Gong Deng2 (1. Department of Geophysics, Tohoku University, 2. China Earthquake Administration)
12:30 PM - 12:45 PM JST(3:30 AM - 3:45 AM UTC)

[S06-12]Observational study of ground tilt induced by the pressure wave from the 2022 Tonga volcanic eruption

*Fujihisa Yokose1, Shingo Watada2, Takashi Kunugi3 (1. Department of Earth and Planetary Science, The University of Tokyo, 2. Earthquake Research Institute, The University of Tokyo, 3. National Research Institute for Earth Science and Disaster Resilience)
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