5月26日正午(当地时间),日本本州北部西海岸附近发生一次强烈地震,并引起海啸。据日本气象厅测定,这次地震为里氏7.7级,震中在秋田县海面距男鹿半岛100公里处,北纬40°25′,东经138°5′,震源深度约10公里。日本西北部沿海300公里范围内强烈有感,南朝鲜、苏联部份地区也有震感。 At noon on May 26 (local time), a strong earthquake near the west coast of Honshu, Japan, caused a tsunami. According to the Japan Meteorological Agency, the magnitude of the earthquake was Rs 7.7. The epicenter was 100 km from the Sogodang Peninsula in the sea of ​​Akita Prefecture, 40 ° 25 ’north latitude and 138 ° 5 ° E longitude. The focal depth was about 10 km. Within 300 kilometers of the coast of northwestern Japan, there is a strong feeling that there are feelings in some areas in South Korea and the Soviet Union.