Study on a Simplified Method of Tsunami Risk Assessment

Hiroaki Sato (), Hitoshi Murakami (), Yasunori Kozuki () and Naoaki Yamamoto ()

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2003, vol. 29, issue 3, 325-340

Abstract: For the testing of the effect on the tsunami prevention facilities, a simplified methodfor tsunami risk assessment was suggested without wave run-up analysis. This methodis proposed using calculated offshore tsunami waveform and field reconnaissance suchas the seawall height, time necessary for residents' evacuation and tsunami warninginsurance. Then, two normalized values are evaluated; one is the ratio of calculatedmaximum tsunami height to seawall height, the other is the ratio of time betweentsunami over-topping and evacuation completion to total time required for evacuation.These two values are used to qualitatively estimate the safety of residents and the effectof tsunami prevention facilities, eliminating the necessity to compute complicatedtsunami run-up onshore. Copyright Kluwer Academic Publishers 2003

Keywords: tsunami; earthquake; risk assessment; prevention facilities; evacuation (search for similar items in EconPapers)
Date: 2003
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Citations: View citations in EconPapers (5)

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DOI: 10.1023/A:1024732204299

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