[M-IS13] Tsunami deposit

Fri. Jun 3, 2022 11:00 AM - 1:00 PM Online Poster Zoom Room (28) (Ch.28)

convener:Masaki Yamada(Department of Geology, Faculty of Science, Shinshu University), convener:Takashi Ishizawa(International Research Institute of Disaster Science, Tohoku University), Masashi Watanabe(Chuo University), convener:Koichiro Tanigawa(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology), Chairperson:Masashi Watanabe(Nanyang Technological University), Masaki Yamada(Department of Geology, Faculty of Science, Shinshu University)

The 2011 off the Pacific coast of Tohoku Earthquake and associated tsunami have an influence on the development of tsunami deposit research. After the tsunami, a lot of findings have been reported in various research fields. However, it had been still uncertain how to use the tsunami deposit to estimate its size and source of past tsunamis and future risk assessment. In this session, we welcome researches from all aspects of sedimentary records of modern and paleo tsunamis and numerical and experimental modeling studies for risk assessment. We also include research on other event deposits, such as river floods and storm surges, that they are considered important for identification of tsunami deposits in geological strata.

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11:00 AM - 1:00 PM

[MIS13-P01] Large-Scale Tsunami Events Records of Deposits and Stalagmites in Caves of Ishigaki Island, Okinawa Prefecture, Japan

*Yoshiro Ishihara¹, Yuuka Okita¹, Miyu Kitahara¹, Hajime Naruse², Shingo Kameshima³, Seita Gushiken³, Chiaki Katagiri³, Kaishi Yamagiwa⁴, Rintaro Ono⁵, Ayano Shimabukuro⁶, Shinji Sugihara⁷, Kazuhisa Yoshimura⁷ (1.Department of Earth System Science Faculty of Science, Fukuoka University, 2.Graduate School of Kyoto University, 3.Okinawa Prefectural Archaeological Center, 4.Ryukyu University, 5.National Museum of Ethnology, 6.Ishigaki City, 7.Kyushu University)

11:00 AM - 1:00 PM

[MIS13-P02] Geochemical characteristics and eDNA analysis of the 2011 Tohoku-oki tsunami deposits at Misawa city, Aomori Prefecture, Japan

*Kai Sato¹, Kazuhisa Goto¹, Yohey Suzuki¹, Mariko Kouduka¹, Yuichi Nishimura² (1.Department of Earth and Planetary Science, Graduate School of Science, the University of Tokyo, 2.Graduate School of Science, Hokkaido University)

11:00 AM - 1:00 PM

[MIS13-P03] Tsunami source estimation based on high-density tsunami deposit data and sediment transport numerical analysis

*Hidetoshi Masuda¹, Daisuke Sugawara² (1.Department of Earth Science, Graduate School of Science, Tohoku University, 2.International Research Institute of Disaster Science, Tohoku University)

11:00 AM - 1:00 PM

[MIS13-P04] Estimate of a tsunami source that can hit the Amami Islands

*Ryo Kaneko¹, Masaki Yamada¹, Kai Sato², Kusumoto Satoshi³, Tetsuro Sato⁴ (1.Department of Geology, Faculty of Science, Shinshu University, 2.Department of Earth and Planetary Science, Graduate School of Science, the University of Tokyo, 3.JAMSTEC, 4.Earthquake Research Institute, The University of Tokyo)

11:00 AM - 1:00 PM

[MIS13-P05] Summary of distribution characteristics of sand/boulder tsunami and storm deposits using dimensionless numbers

*Masashi Watanabe¹, Kazuhisa Goto², Volker Roeber³, Fumihiko Imamura⁴ (1.Nanyang Technological University, 2.The University of Tokyo, 3.Université de Pau et des Pays de l'Adour, 4.Tohoku University)

Session information

[M-IS13] Tsunami deposit

[MIS13-P01] Large-Scale Tsunami Events Records of Deposits and Stalagmites in Caves of Ishigaki Island, Okinawa Prefecture, Japan

[MIS13-P02] Geochemical characteristics and eDNA analysis of the 2011 Tohoku-oki tsunami deposits at Misawa city, Aomori Prefecture, Japan

[MIS13-P03] Tsunami source estimation based on high-density tsunami deposit data and sediment transport numerical analysis

[MIS13-P04] Estimate of a tsunami source that can hit the Amami Islands

[MIS13-P05] Summary of distribution characteristics of sand/boulder tsunami and storm deposits using dimensionless numbers

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