Japan Geoscience Union Meeting 2022

Session information

[E] Poster

S (Solid Earth Sciences ) » S-SS Seismology

[S-SS03] Seismological advances in the ocean

Wed. Jun 1, 2022 11:00 AM - 1:00 PM Online Poster Zoom Room (21) (Ch.21)

convener:Tatsuya Kubota(National Research Institute for Earth Science and Disaster Resilience), convener: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, Research and Education Center for Natural Hazards, Kagoshima University), Chairperson: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, Research and Education Center for Natural Hazards, Kagoshima University)

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 opened 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 and seismic velocity structure deduced from the seafloor observation, progresses in the development of seafloor instrumentation, processing and analyzing techniques on active and passive 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, and all relevant topics. We welcome presentations by early-career researchers and students who wish to try the presentation in an international session.

11:00 AM - 1:00 PM

*Yukihiro Nakatani1, Hirotsugu Yanagida1, Hiroshi Yakiwara1, Shuichiro Hirano1, Yusuke Yamashita2, Takeshi Matsushima3, Kazuo Nakahigashi4, Masanao Shinohara5 (1.Nansei-Toko Observatory for Earthquakes and Volcanoes, Kagoshima University, 2.Disaster Prevention Research Institute, Kyoto University, 3.Institute of Seismology and Volcanology, Kyushu University, 4.Tokyo University of Marine Science and Technology, 5.Earthquake Research Institute, the University of Tokyo)

11:00 AM - 1:00 PM

*Shunsuke Takemura1, Ryo Okuwaki2, Suguru Yabe3, Kentaro Emoto4 (1.Earthquake Research Institute, the University of Tokyo, 2.Moutain Science Center, Faculty of Life and Environmental Sciences, University of Tsukuba, 3.National Institute of Advanced Industrial Science and Technology, 4.Graduate School of Science, Tohokuk University)

11:00 AM - 1:00 PM

*Yusuke Yamashita1, Shukei Ohyanagi2, Yasunori Sawaki2, Yukihiro Nakatani3, Hiroshi Yakiwara3, Yoshihiro Ito1, Masanao Shinohara4 (1.Disaster Prevention Research Institute, Kyoto University, 2. Graduate School of Science, Kyoto University, 3.Nansei-Toko Observatory for Earthquakes and Volcanoes, Kagoshima University, 4.Earthquake Research Institute, the University of Tokyo)

11:00 AM - 1:00 PM

*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)


11:00 AM - 1:00 PM

*Atikul Haque Farazi1,2, Yoshihiro Ito3, Agostiny Marrios Lontsi4, José Piña-Flores5, Francisco José Sánchez-Sesma5, Emmanuel Soliman M. Garcia3 (1.Division of Earth and Planetary Sciences, Kyoto University, 2.Department of Geology and Mining, University of Barishal, Bangladesh, 3.Disaster Prevention research Institute, Kyoto University, 4.Swiss Seismological Service, ETH Zürich, Switzerland, 5.Instituto de Ingeniería CU, Universidad Nacional Autónoma de México, 04510, Coyoacán, CDMX, Mexico)

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