Abstract
In 2019, Typhoon Hagibis caused enormous damage in eastern Japan. This study investigates
the characteristics of the residents’ response behaviors to Typhoon Hagibis. I employed a
questionnaire survey to analyze the effects of prior risk information and recorded the time-wise
behavioral change of the responses. These were classified based on their timings during the
approaching typhoon. The study also examined the influence of the attributes of residents on
their responses and conducted a review of the situation after the disaster and behavioral changes
caused by explaining the situation of disaster potential.
The responses were classified into six categories, three of which accounted for a major
proportion. Time-series analysis confirmed that most residents acted after October 12, judging
that danger was imminent. Prior risk information was not adequate for raising awareness of the
disaster risk, and gaps were confirmed in the disaster images before and after the disaster.
