198811:031October 6 1: 06, Lancang, China (22.9 degrees north latitude, 100. 1 degree east longitude). Two earthquakes with a distance of 120km are only separated by 13min. Two counties were razed to the ground, 4 105 people were injured, 743 people died, and the economic loss was 25 15438+0 billion yuan.

1976 Tangshan earthquake

1966 Xingtai earthquake

1970 1 A strong earthquake of magnitude 7.7 occurred between Tonghai and Eshan in Yunnan Province.

1975 Haicheng m 7.3 earthquake

1950 chayu earthquake (m 8.5)

1933, an earthquake of magnitude 7.5 occurred in Maoxian County, Sichuan Province.

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