The 2025 SSJ Fall Meeting
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Session Details

Room CRegular session : S03. Crustal deformation, GNSS, and gravity

[S03]Crustal deformation, GNSS, and gravity

Tue. Oct 21, 2025 3:15 PM - 4:15 PM JST
Tue. Oct 21, 2025 6:15 AM - 7:15 AM UTC
Room C(411+412)
chairperson:Yusuke YOKOTA(Institute of Industrial Science, University of Tokyo)
3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[S03-07]Effect of internal tide-induced sound speed variation on GNSS-A positioning accuracy

*Tadashi ISHIKAWA1, Yusuke YOKOTA2, Shun-ichi WATANABE3, Eiji MASUNAGA4 (1. Japan Coast Guard Academy, 2. Institute of Industrial Science, the University of Tokyo, 3. Hydrographic and Oceanographic department, Japan Coast Guard, 4. Global and Local Environment Co-Creation Institute, Ibaraki University)
3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[S03-08]Crustal deformation in western Suruga-bay measured by GNSS-A seafloor observation using portable towed buoy system

*Ryoya IKUTA1, Yasushi Harada2, Keizo Sayanagi2, Keiichi Tadokoro3 (1. Faculty of Science, Shizuoka University, 2. Institute of Oceanic Research and Development, Tokai University, 3. Graduate School of Environmental Science, Nagoya University)
3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[S03-09]Long-term seafloor crustal deformation in the Nankai trough seismogenic zone revealed by in-situ calibration of the DONET pressure gauges

*Yuya MACHIDA1, Shuhei Nishida1, Hiroyuki Matsumoto1, Eiichiro Araki1 (1. Japan Agency for Marine-Earth Science and Technology)
4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[S03-10]An Attempt to Detect Transient Crustal Deformation from Ocean Bottom Pressure Gauge Data Using Principal Component Analysis

*Tomoki Yamada1, Ryota Hino1, Tatsuya Kubota2, Hideto Otsuka1,3, Yusaku Ohta1 (1. Graduate school of science, Tohoku University, 2. National Research Institute for Earth Science and Disaster Resilience, 3. Seiko Gakuin Junior and Senior High School)
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