Abstract
To protect oneself from a huge tsunami occurred along Nankai-trough, it is important to understand the residents' evacuation in Wakayama prefecture given a major tsunami warning in 2011 Tohoku earthquake tsunami. A questionnaire survey was undertaken for residents' evacuation against tsunami in Kushimoto town. As the result, it turned out that the residents of about 30% evacuated, and the main residents evacuated have lived to near the beach and low land of less than 3 m above the MSL. Residents' tsunami experience has influenced against the evacuation, that is there is strongly conscious of a big shake = tsunami.
