Evacuation behavior in the 29 september 2009 Samoa Islands region earthquake tsunami

摘要

A large earthquake of Mw 8.0 occurred in Samoa Islands region in the early morning of 29 September 2009 (local time). A large tsunami generated by the earthquake hit Samoa, American Samoa, and Tonga. The field investigation on evacuation behavior was carried out in Tutuila Island, American Samoa. The death ratio was low against the tsunami magnitude. This feature of this disaster resulted from waveform of tsunami, land use, residents' call, mayor's call, and so on.