Boat damage from the tsunami, taken one day after the event
The 1983 Sea of Japan earthquake (Japanese: 日本海中部地震) occurred on May 26, 1983 at 11:59:57 local time (02:59:57 UTC). It had a magnitude of 7.8 on the moment magnitude scale. It occurred in the Sea of Japan, about 100 km west of the coast of Noshiro in Akita Prefecture, Japan. Out of the 104 fatalities, all but four were killed by the resulting tsunami, which struck communities along the coast, especially Aomori and Akita Prefectures and the east coast of Noto Peninsula. Images of the tsunami hitting the fishing harbor of Wajima on Noto Peninsula were broadcast on TV. The waves exceeded 10 meters (33 ft) in some areas. Three of the fatalities were along the east coast of South Korea (whether North Korea was affected is not known). The tsunami also hit Okushiri Island, the site of a more deadly tsunami 10 years later.
^Kanamori, H.; Astiz L. (1985). "The 1983 Akita-Oki Earthquake (Mw=7.8) and its Implications for Systematics of Subduction Earthquakes" (PDF). Earthquake Prediction Research. 3: 305–317. Archived from the original (PDF) on 11 December 2013. Retrieved 21 June 2012.
^National Geophysical Data Center. "Comments for the Significant Earthquake". Retrieved 21 June 2012.
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