2019 Volume 34 Pages 1-10
Proper action of evacuating from tsunamis is essential to reduce human loss due to tsunami after the eartthuqake. Accodinrg to previous studies, disaster information, recognition and experiences about the past tsunami disaster and preparation for tsunami before the disaster and risk perception for tsunami would be factors influencing evacuation behavior. This paper aims to clarify which factor should affect on evacuation behavior in the 2011 Tohoku earthquake using comprehensive analysis on results from questionnaires at Kesennuma city. It is indicated the risk perception for tsunami as the most effective factor on time starting evacuation. The risk perceptions should consist of internal (personal) and external triggers which are future topics to be clarified.