Residents’ Attitude towards Tsunami Evacuation after the Great East Japan Earthquake Questionnaire surveys before and after the earthquake at Onjuku, Chiba prefecture which experienced small tsunami

Abstract

The present paper focuses possible changes of residents’ attitude towards tsunami after their experience of the 2011 earthquake, through the questionnaire surveys conducted before and after the earthquake in the coastal area of Onjuku, Chiba prefecture, where there were no disastrous damage although tsunami warning was announced. Analysis of the results revealed that the experience of earthquake and tsunami let people do some measures for disaster-prevention, however, some people who did not evacuate still justify their own behavior, and risk perception of tsunami hazard particularly the elderlies did not change even after their experience.