Effects of disaster prevention broadcasting for tsunami on human behavior on initial refuge

Abstract

This study focuses on broadcast communication in consideration of the refuge direction, pays its attention to direction selection in refuge early stages, and confirms experimentally influences, which broadcast has on refuge. Contents of broadcast consisted of “information without specific directions of refuge direction” and “information with specific directions of refuge direction”. Based on results of the experiments, following things became clear. Residents have an appropriate tendency to take refuge, when broadcasting contents included “information in considering of clue in decision on refuge direction”. Properly refuge was greatly related to easy to walk, safety in street environment, and good view from crease bend point. When sign guidance and route guidance interlock, it is easy to take refuge. From the above knowledge, this study clarified that “information in considering of clue in decision on refuge direction” is taken disaster prevention broadcasting into consideration on initial refuge.