Seismic Activity and Seismic Velocity Structure in the M7-Class Earthquake Zone of the Southern Part of Hyuga-nada, Japan

Issei Hirata

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-SS Seismology

[S-SS06] Seismological advances in the ocean

Sun. May 24, 2026 10:45 AM - 12:15 PM Exhibition Hall Special Setting (6) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Kubota Tatsuya(National Research Institute for Earth Science and Disaster Resilience), Kim HyeJeong(Universite Cote dAzur CNRS Observatoire de la Cote dAzur IRD Geoazur), Janiszewski A Helen(University of Hawaii at Manoa), Mizutani Ayumu(National Research Institute for Earth Science and Disaster Resilience), Tonegawa Takashi(Research and Development center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and Technology)

11:30 AM - 11:45 AM

[SSS06-10] Seismic Activity and Seismic Velocity Structure in the M7-Class Earthquake Zone of the Southern Part of Hyuga-nada, Japan

*Issei Hirata¹, Yusuke Yamashita², Takeshi Matsushima³, Yukihiro Nakatani⁴, Shuichiro Hirano⁴, Hiroshi Yakiwara⁴, Kazuo Nakahigashi⁵, Kentaro Emoto³, Satoshi Matsumoto³, Satoru Baba³, Shukei Ohyanagi⁶, Yoshihiro Ito⁶, Yojiro Yamamoto⁷, ChingYu Hu⁸, Tomoaki Yamada⁹, Masanao Shinohara⁹ (1. Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University, 2. Miyazaki Municipal University, 3. Institute of Seismology and Volcanology, Faculty of Science, Kyushu University, 4. Kagoshima University, 5. Department of Marine Resources and Energy, Tokyo University of Marine Science and Technology, 6. Disaster Prevention Research Institute, Kyoto University, 7. Japan Agency for Marine-Earth Science and Technology, 8. Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 9. Earthquake Research Institute, the University of Tokyo)

Keywords:Hyuga-nada, ocean bottom seismometer, seamount