Abstract
A questionnaire survey was undertaken for residents' evacuation against tsunami attack and factors of their dicision making on the tsunami warnings in Okinawa main island. These are warning on near-by origin at this island and distant origin at Chiri . Factors about residents' evacuation are analyzed by Cramer's coefficient of association. quantification method of the second type and logistic regression analysis. The following things became clear from these analysis. Resident who is making effort to prevent disasters have a high refuge rate. In order to raise residents' evacuation rate, it is important not only the announcement from a local government but tocall from neighbor.
