1622 North Guyuan earthquake

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1622 North Guyuan earthquake
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Local dateOctober 25, 1622 (1622-10-25)
Magnitude7.0 Ms [1]
Epicenter 36°30′N106°18′E / 36.5°N 106.3°E / 36.5; 106.3 [1]
Max. intensity MMI X (Extreme) [1]
Casualties12,000 [1]

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. [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

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References

  1. 1 2 3 4 National Geophysical Data Center / World Data Service (NGDC/WDS) (1972), Significant Earthquake Information, 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.


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