Implicaciones del tsunami de Tohoku del año 2011 para la gestión de desastres naturales en Japón

Tomoya Shibayama; Miguel Esteban; Ioan Nistor; Hiroshi Takagi; Thao Nguyen; Ryo Matsumaru; Takahito Mikami; Koichiro Ohira; Akira Ohtani

doi:10.4067/S0718-28132012000100001

Authors

Tomoya Shibayama Department of Civil and Environmental Engineering, Waseda University, Japan https://orcid.org/0000-0002-2348-244X
Miguel Esteban Department of Civil and Environmental Engineering, Waseda University, Japan https://orcid.org/0000-0003-3032-499X
Ioan Nistor Department of Civil Engineering, University of Ottawa, Canada https://orcid.org/0000-0001-8436-4781
Hiroshi Takagi Department of International Development, Tokyo Institute of Technology, Japan https://orcid.org/0000-0002-3668-688X
Thao Nguyen Department of Port and Coastal Engineering, Ho Chi Minh City University of Technology, Vietnam https://orcid.org/0000-0001-9097-2863
Ryo Matsumaru IRM Ltd, Japan
Takahito Mikami Department of Civil and Environmental Engineering, Waseda University, Japan https://orcid.org/0000-0003-1611-0549
Koichiro Ohira Department of Civil and Environmental Engineering, Waseda University, Japan
Akira Ohtani Department of Civil and Environmental Engineering, Waseda University, Japan

DOI:

https://doi.org/10.4067/S0718-28132012000100001

Keywords:

tsunami, Tohoku, Disaster Risk Management

Abstract

On March 11^th 2011, a large earthquake of magnitude 9.0 on the Richter scale occurred offshore the northeast coast of Japan, generating a major tsunami which devastated large parts of Japan's north-eastern coastline. The "Great Eastern Japan Earthquake and Tsunami" has been described as one in several thousand years event, and as a consequence it is necessary that the revising of the philosophy behind Coastal Disaster Management in Japan take into account the lessons learned from this latest disaster. In this article, the authors present the results of their field surveys in the Tohoku area, describing the damage in various places and analysing the failure mechanism of a variety of coastal structures. The authors also present some changes that are currently occurring in the risk management philosophy in Japan. Essentially, the idea that infrastructure measures can always protect against the loss of life has been discarded, and although they can play a part in the protection of property ultimately planification measures should be the cornerstone of the strategy to protect people's lives in coastal areas.

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Implications of the 2011 Tohoku tsunami for risk management in Japan

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