1976 Songpan-Pingwu earthquake

1976 Songpan-Pingwu earthquake

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The 1976 Songpan-Pingwu earthquake, magnitude 7.2, struck Songpan and Pingwu
Pingwu County
Pingwu County is a county in Mianyang, Sichuan province, China.It has an area of 5959.71 square kilometers and a population of 190,000 in 2004.-Administrative divisions:Pingwu County has 9 towns, 7 townships, and 9 ethnic townships.*Towns:...

 in Sichuan
' , known formerly in the West by its postal map spellings of Szechwan or Szechuan is a province in Southwest China with its capital in Chengdu...

, China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 on August 16, 1976. A M 6.7 and a M 7.2 aftershock earthquakes hit the same area on August 22 and 23. The earthquake struck with estimated population exposures of 1,500 at intensity
Mercalli intensity scale
The Mercalli intensity scale is a seismic scale used for measuring the intensity of an earthquake. It measures the effects of an earthquake, and is distinct from the moment magnitude M_w usually reported for an earthquake , which is a measure of the energy released...

IX or greater and 5,700 at intensity VIII, resulting in 41 deaths.