1981 Shimotake Earthquake

The 1981 Shimotake Earthquake and Tsunami (下竹大災地震) occurred at 4:26 Nakama National Time on 6 July, with a magnitude of 8.8Mw and a maximum Mercalli Intensity of XI (Extreme). Its epicenter was in the east of coast from Shimotake Prefecture, and its hypocenter was at a depth of approximately 17 km. Tsunami up to 20m reported hit the coast of Shimotake Prefecture causing massive damage toward the densely populated urban area as well with the port of Shimotake.

1981 Shimotake Earthquake and Tsunami was the worst disaster hit Nakama up to date with the number of death and damaged caused by the disaster. It also the strongest earthquake hit Nakama in magnitude scale up to 8.8 Mw.