Friday, October 10, 2008

2008 Yingjiang earthquakes

The 2008 Yingjiang Earthquakes were a series of major earthquakes ranging from surface wave magnitude 4.1 to 5.9 that struck Yingjiang County, Yunnan privince, China between August 19 and September 3, 2008. It caused 5 deaths, 21 serious injuries, and  2.7 billion in direct economic damage.

Earthquake Details



According to the China Earthquake Administration and its subordinate , a Ms 5.0 earthquake struck Yingjiang County, Yunnan province, China on August 20, 2008 at 05:35:09 China Standard Time . A CEA report published on September 17

Sequence of earthquakes





Note: Earthquakes #4 and after are not included in CEA summary; earthquake #2 is unaccounted for in CENC data base.

Response, casualties, and intensities


According to CEA, these earthquakes caused 5 deaths and 21 serious injuries. Through , the provincial government invoked Level IV emergence response protocol in the relief. Affected people amounted to 209,605, roughly 2/3 of the total population in affected areas. Direct financial damages amounted to RMB 1.3 billion. In addition to building damages, the heaviest infrastructure damages occurred to water resources facilities.

On the map published by CEA, maximum intensity of these earthquakes reached liedu VIII on China Seismic Intensity Scale , which is somewhat equivalent to VIII on from which CSIS drew reference. Liedu-VIII zone spans 26 km2 near the epicenter. Total area of liedu VI and above is a north-south oval of 4,511 km2.

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