An earthquake of Mw 8.8 struck off the coast of central Chile on Feb. 27, 2010. A tsunami due to the earthquake propagated on the Pacific Ocean and attacked Japan on the next day. JMA issued a major tsunami warning for many coastal regions, however severe damage occurred in many ports especially for fishery. To understand the tsunami disaster, the filed investigation was carried out to record tsunami heights such as run-up heights and inundated heights along the comprehensive coastal region. In cooperation with many institutes, eyewitnesses interview, measurement of tsunami trace and analysis of tide records were conducted. Then the tsunami height distribution from Hokkaido to Okinawa is reported here. The tsunami was higher in the northern part of Japan and it exceeded 2 meters in the Tohoku district especially.
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