2011 Sendai earthquake and tsunami

The 2011 Sendai, Japan earthquake was an 8.9 magnitude earthquake, and was measured 8.4 on the JMA seismic intensity scale. It was located off the east coast of Tohoku, Japan on Friday, March 11, 2011 at 05:46:23 UTC at a depth of 24.4 km (15.2 miles). Originally a 7.9, it was upgraded to an 8.8, then again to an 8.9 by the United States Geological Survey. (Wikipedia)

From : Wikipedia