Japan Geoscience Union Meeting 2023

Session information

[E] Oral

S (Solid Earth Sciences ) » S-SS Seismology

[S-SS04] Seismological advances in the ocean

Mon. May 22, 2023 9:00 AM - 10:15 AM 106 (International Conference Hall, Makuhari Messe)

convener:Tatsuya Kubota(National Research Institute for Earth Science and Disaster Resilience), Takashi Tonegawa(Research and Development center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and Technology), Yukihiro Nakatani(Nansei-Toko Observatory for Earthquakes and Volcanoes, Graduate School of Science and Engineering, Kagoshima University), Chairperson:Takashi Tonegawa(Research and Development center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and Technology), HyeJeong Kim(Earthquake Research Institute, University of Tokyo)

Advances in ocean-bottom seismic observations with seismometers, hydrophones, and pressure gauges have provided us with the opportunity to study seismicity, subsurface structures, earthquake and tsunami generation, and wave phenomena in offshore areas. Permanent (cabled) observatories have enabled long-term monitoring for these targets, and deployments of dense temporary arrays or fiber optic technologies have open techniques for offshore seismic datasetsed up the possibility of higher-resolution researches. Also, such growths of ocean seismology have invoked the community to create data processing and analyzing techniques. The purpose of this session is to share recent advances in the ocean seismology, such as seismicity, seismic velocity structure deduced from active and passive approaches, progresses in the development of seafloor instrumentation, processing and analyzing techniques for offshore seismic datasets, findings of the generation mechanisms of subseafloor earthquakes and tsunamis, observation of the seafloor strong motion, characterization of ambient noise and interpretation of its sources, propagation processes of various waves in the atmosphere, ocean, and solid Earth recorded by ocean instruments, and all relevant topics. We welcome presentations by early-career researchers and students who wish to try the presentation in an international session.

9:00 AM - 9:15 AM

*Yasunori Sawaki1, Yusuke Yamashita2, Shukei Ohyanagi1, Emmanuel Soliman M Garcia2, Aki Ito3, Hiroko Sugioka4, Tsutomu Takahashi3, Masanao Shinohara5, Yoshihiro Ito2 (1.Graduate School of Science, Kyoto University , 2.Disaster Prevention Research Institute, Kyoto University, 3.Japan Agency for Marine-Earth Science and Technology, 4.Graduate School of Science, Kobe University , 5.Earthquake Research Institute, The University of Tokyo)


10:00 AM - 10:15 AM

*Mehmet Ali Uge1,3, Kazuya Shiraishi1, Gou Fujie1, Yasuyuki Nakamura1, Shuichi Kodaira1, Kei Kawamata2, Keisuke Uchiyama2 (1.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan, 2.Electric Power Development Co., Ltd., Tokyo, Japan, 3.Istanbul University-Cerrahpasa, Engineering Faculty, Department of Geophysical Engineering, Buyukcekmece, Istanbul, Turkey)

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