Classification of Tsunami and Evacuation Areas

Tomoya Shibayama, Miguel Esteban, Ioan Nistor, Hiroshi Takagi, Nguyen Danh Thao, Ryo Matsumaru, Takahito Mikami, Rafael Aranguiz, Ravindra Jayaratne, Koichiro Ohira

研究成果: Article査読

53 被引用数 (Scopus)

抄録

On March 11, 2011, a large earthquake that occurred offshore the north-east coast of Japan generated a large tsunami which devastated extensive areas of the Tohoku coastline. Despite Japan being considered a country well prepared for these types of disasters, large casualties were recorded, with numerous discussions amongst the Japanese coastal engineering community ensuing. As a result, two different levels of tsunamis have been proposed and now recognized in Japan, depending on the frequency of such extreme events. The idea that hard measures can protect the lives of inhabitants of coastal areas has been abandoned, and these measures are only considered to be effective in protecting properties against the more frequent but lower magnitude events. Soft measures should always be used to protect against the loss of lives, and to this respect, the authors of the paper propose the introduction of a Classification of Evacuation Areas, to show which of these should be prioritized by residents as they seek to evacuate.

本文言語English
ページ(範囲)365-386
ページ数22
ジャーナルNatural Hazards
67
2
DOI
出版ステータスPublished - 2013 6

ASJC Scopus subject areas

  • Water Science and Technology
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)

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