[H-CG17] Tsunami science: learn from the past and mitigate future disasters

2026年5月29日(金) 10:45 〜 12:15 展示場特設会場 (4) (幕張メッセ国際展示場 7・8ホール)

座長:馬場俊孝(徳島大学大学院産業理工学研究部)、対馬弘晃(気象庁気象研究所)

The disastrous tsunamis caused by the 2004 Sumatra earthquake and the 2011 Tohoku earthquake accelerated tsunami researches in various fields. In recent years, researches on non-seismic tsunamis have also been actively conducted, including landslide tsunamis from the 2018 Sulawesi earthquake and the Anak Krakatau volcanic eruption, as well as tsunami-like waves generated by the atmospheric pressure waves from the 2022 Hunga Tonga-Hunga Ha'apai volcanic eruption. This session covers tsunamis generated by any mechanisms and welcomes a wide range of presentations from the fields of science (e.g., geology and geophysics), engineering, and disaster prevention. This includes researches on tsunami generation and propagation theory, studies utilizing observation data such as instrumental tsunami records and tsunami deposits (both modern and paleo), and prediction and risk assessment researches aimed at mitigating future tsunami disasters.

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10:45 〜 11:00

[HCG17-07] 相模トラフ沿いの確率論的津波ハザード評価に向けて：フィリピン海プレート内部の地震が発生した場合の条件付きハザード評価

★招待講演

*土肥裕史¹、平田賢治¹、藤原広行¹、中村洋光¹、森川信之¹、河合伸一¹、前田宣浩¹、秋山伸一¹、松山尚典²、根本信²、時実良典²、張学磊²、村田耕一²、木村洋² (1. 国立研究開発法人　防災科学技術研究所、2. 応用地質)

11:00 〜 11:15

[HCG17-08] Assessment of Tsunami Hazards in the North Sulawesi Trench through Deterministic Modeling: Effects of Rupture Scenarios, Energy Flow, and Bathymetry

*Alimuddin Hamzah Assagaf¹, Rachmat Jariah Jamal¹, Muhammad Taufiq Rafie¹, Muh. Farid Wajedy¹, Muh. Faqih Raihan¹, S. Saaduddin¹, A. Amiruddin¹ (1. Department of Geophysics, Hasanuddin University)

11:15 〜 11:30

[HCG17-09] Tsunami Hazard Assessment in Maluku Province Based on Earthquake Recurrence Time and Tsunami Modeling

*Suci Dewi Anugrah^1,2 (1. Bandung Institute of Technology, 2. The Agency for Meteorology Climatology and Geophysics)

11:30 〜 11:45

[HCG17-10] Realistic tsunami hazard and damage forecast for giant earthquakes off the Pacific coast of Hokkaido in Japan

*谷岡勇市郎¹、跡邊陽太²、川村壮¹ (1. 北海道大学広域複合災害研究センター、2. 北海道大学大学院理学院自然史科学専攻)

11:45 〜 12:00

[HCG17-11] Modeling Tsunami Generation and Propagation from Dynamic Seafloor Motion Using a High-Order Spectral Solver

*Thomas Melkior^1,2, Faisal Amlani¹, Harsha Bhat² (1. University Paris-Saclay, CentraleSupelec, ENS Paris-Saclay, CNRS, LMPS - Laboratoire de Mecanique Paris-Saclay, France, 2. Laboratoire de Géologie, École Normale Supérieure, CNRS, UMR 8538, PSL Université, Paris, France)

12:00 〜 12:15

[HCG17-12] Quantifying Uncertainty in Tsunami Runup Induced by Small-Scale Disturbances

*宮下卓也¹、久我知弘¹、森信人¹、志村智也¹ (1. 京都大学防災研究所)

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