Tsunami disaster assessment in the southwestern Pacific countries due to giant earthquakes near Japan

T. Takahashi, S. Koshimura, K. Harada, S. Suzuki, Y. Okumura, Y. Kawata

研究成果: Conference contribution

抄録

The southwestern Pacific Ocean is prone to significant tsunami risk due to giant earthquakes generated near Japan. In this study, two huge tsunamis in the Japan Trench and the Nankai Trough were assumed. They have been called the Sanriku Earthquake Tsunami and the Tonankai-Nankai Earthquake Tsunami. To check the uncertainty of the tsunami model, four more models that intensify the dislocations of half of the tsunami sources were assessed. The computed tsunami energy distributions show that the Sanriku Tsunami propagates mainly toward the central Pacific Ocean and has little effect on the southwestern Pacific countries. On the other hand, the tsunami in the Nankai Trough propagates mainly toward the southwestern Pacific Ocean because of the Mariana Trench. In many cities, the water level exceeds 50 cm. Further, there are some observation stations along the path of the tsunami propagation and they might be useful for a far field tsunami warning system in this region.

本文言語English
ホスト出版物のタイトルSafety and Security Engineering III
ページ495-506
ページ数12
DOI
出版ステータスPublished - 2009
イベント3rd International Conference on Safety and Security Engineering, SAFE 2009 - Rome, Italy
継続期間: 2009 7月 12009 7月 3

出版物シリーズ

名前WIT Transactions on the Built Environment
108
ISSN(印刷版)1743-3509

Other

Other3rd International Conference on Safety and Security Engineering, SAFE 2009
国/地域Italy
CityRome
Period09/7/109/7/3

ASJC Scopus subject areas

  • 建築
  • 土木構造工学
  • 建築および建設
  • 自動車工学
  • 輸送
  • 安全性、リスク、信頼性、品質管理
  • 人文科学(その他)
  • 安全研究
  • コンピュータ サイエンスの応用

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