1622 North Guyuan earthquake

Name: 1622 North Guyuan earthquake
Start: 1622

1622 CE.

Shown on the map at 36.500°, 106.300°.

The 1622 North Guyuan earthquake struck Ningxia, China on 25 October with a magnitude of 7.0 Ms and a maximum Mercalli intensity of X (Extreme). It was the only recorded big earthquake in western China for 148 years, between 1561 and 1709. The earthquake occurred on the "rake of the Zhongwei-Tongxin fault", with a mid-seismogenic depth of about 15 kilometres (9.3 mi).

Text from the Wikipedia article 1622 North Guyuan earthquake, licensed CC BY-SA 4.0.

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