1622 North Guyuan earthquake

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1622 North Guyuan earthquake
1622 North Guyuan earthquake is located in China
1622 North Guyuan earthquake
Local date October 25, 1622 (1622-10-25)
Magnitude 7.0 Ms[1]
Epicenter 36°30′N 106°18′E / 36.5°N 106.3°E / 36.5; 106.3Coordinates: 36°30′N 106°18′E / 36.5°N 106.3°E / 36.5; 106.3 [1]
Max. intensity X (Extreme) [1]
Casualties 12,000 [1]

The 1622 North Guyuan earthquake struck Ningxia, China on 25 October with a Richter magnitude of 7.0 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.[2] The earthquake occurred on the "rake of the Zhongwei-Tongxin fault", with a mid-seismogenic depth of about 15 kilometres (9.3 mi).[3]

See also[edit]

References[edit]

  1. ^ a b c d National Geophysical Data Center / World Data Service (NGDC/WDS), Significant Earthquake Database, National Geophysical Data Center, NOAA, doi:10.7289/V5TD9V7K 
  2. ^ Mukherjee, Saumitra (1 May 2006). Earthquake Prediction. CRC Press. p. 22. ISBN 978-90-474-1807-8. 
  3. ^ 地球物理学报. 科学出版社. 2008. p. 1780.