1976 Songpan–Pingwu earthquake

1976 Songpan–Pingwu earthquake
Date August 16, 1976 (1976-08-16)
Origin time 14:06:47 [1]
Magnitude 6.7 Mw [1]
Depth 10 km (6 mi) [1]
Epicenter 32°41′N 104°12′E / 32.69°N 104.2°E / 32.69; 104.2Coordinates: 32°41′N 104°12′E / 32.69°N 104.2°E / 32.69; 104.2 [1]
Type Reverse [2]
Areas affected Songpan and Pingwu, Sichuan
Aftershocks 6.3 Mw Aug 21 at 21:49 [2]
6.4 Mw Aug 23 at 03:30 [2]
Casualties 41 killed [3]

The 1976 Songpan–Pingwu earthquake struck Songpan and Pingwu in Sichuan, China. The earthquake was preceded by an earthquake swarm lasting 3 years prior to the 1976 earthquake. The mainshock occurred on August 16 at 14:06:47 UTC and had a moment magnitude of 6.7. Several large aftershocks (6.3 and 6.4 Mw) occurred within several days. During the period from August 16 to August 30, following the mainshock, there were over 400 aftershocks that were recorded with a magnitude greater than or equal to 3.0.[4] The earthquake hit with an estimated population exposure between IX and VIII. Overall, it resulted in 41 deaths.[5]

See also

References

  1. 1 2 3 4 ISC (2015), ISC-GEM Global Instrumental Earthquake Catalogue (1900-2009), Version 2.0, International Seismological Centre
  2. 1 2 3 USGS (September 4, 2009), PAGER-CAT Earthquake Catalog, Version 2008_06.1, United States Geological Survey
  3. ↑ Songpan-Pingwu Earthquake, Sichuan Daily, August 11, 2006. (Chinese)
  4. ↑ Jones, Lucile (10 September 1984). "Focal Mechanisms and Aftershock Locations of the Songpan Earthquakes". Journal of Geophysical Research 89 (B9): 7697–7707. Bibcode:1984JGR....89.7697J. doi:10.1029/jb089ib09p07697. Retrieved 24 November 2015.
  5. ↑ M 6 - SICHUAN-GANSU BORDER REGION, CHINA
Sources


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