Abstract
By the typhoon No.1610 disaster, Iwaizumi town, Iwate Prefecture, had suffered serious damage. In Akka district, although many houses were destroyed, the number of casualties were comparatively small. In order to reveal the cause of it, we conducted a questionnaire survey. As a result, first, IP terminals were effective for getting information related to evacuation in many districts. There was no precedent like this. However, IP terminals were not perfect. Second, call for an immediate evacuation from others and risk perception had strong effect on evacuation behavior. Finally, in Akka district, they evacuated on the basis of the geographic features. Depending on the location of the shelter, it was confirmed that the evacuation behavior was affected.
