Abstract
Based on analysis with "tsunami movie" recorded on Miyako City for about 26 minutes from 15:17 on March 11, 2011, this study clarifies dynamics of the tsunami flood in city area enclosed sea well. Change of depth of inundation and flow speed corresponding to tsunami flooding are measured by a 10cm unit, used the still image at the interval on 0.50 seconds of the movie. The result of dynamics of tsunami flood is important basic information for human escaping behavior, regional planning and education for disaster prevention.