Sun. May 21, 2023 3:30 PM - 5:00 PM 201B (International Conference Hall, Makuhari Messe)

[J] Oral
| H (Human Geosciences )
| H-QR Quaternary research

[H-QR03] Quaternary, Diachronic dynamics of human-environment interactions

4:45 PM - 5:00 PM

[HQR03-16] Traces of Natural Disasters and Artificial Alteration Recorded in the Bottom Sediments of the Lake Hibara Site

*Wataru Tanikawa^1,2, Yuhji Yamamoto², Shintaro Yamasaki³, Akira Ijiri⁵, Takehiro Hirose¹, Jun Kimura⁴, Randy Sasaki⁸, Hisashi Nakagawa⁶, Akihiro Shimada⁷, Tetsuya Yamamoto¹ (1.Japan Agency for Marine-Earth Science and Technology, Kochi Instutute for Core Sample Research, 2.Kochi University, 3.Kyoto Univerisity, 4.Tokai University, 5.Kobe Univeristy, 6.Toyohashi City, 7.Izunokuni City, 8.Teikyo University)

Thu. May 25, 2023 1:45 PM - 3:00 PM Exhibition Hall Special Setting (3) (Exhibition Hall 8, Makuhari Messe)

[J] Oral
| H (Human Geosciences )
| H-DS Disaster geosciences

[H-DS10] Geohazards in humid, tectonically active countries and their precursors

2:15 PM - 2:30 PM

[HDS10-03] Geological background of rapid deep-seated rock slides in characteristically deformed crystalline schist area, Shikoku range, Japan

*Shintaro Yamasaki¹ (1.Disaster Prevention Research Institute, Kyoto University)

Thu. May 25, 2023 1:45 PM - 3:15 PM Online Poster Zoom Room (9) (Online Poster)

[J] Online Poster
| S (Solid Earth Sciences )
| S-VC Volcanology

[S-VC33] Monitoring and assessment of volcanic activities

1:45 PM - 3:15 PM

[SVC33-P05] Bottom topography and the sub-bottom structure revealed by acoustic technology and small ROV for the Okama creter, Zao volcano

*Shintaro Yamasaki¹, Akio Goto², Nobuo Hirano³, Noriyoshi Tsuchiya³, Tetsuya Matsunaka⁴ (1.Disaster Prevention Research Institute, Kyoto University, 2.Center of Northeast Asian Studies, Tohoku University, 3.Graduate school of Environmental Studies, Tohoku University, 4.Institute of Nature and Environmental Technology, Kanazawa University)