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发表于 2008-5-27 14:07 | 显示全部楼层 |阅读模式
Earthquake Details
Magnitude7.9
Date-Time
Location30.986°N, 103.364°E
Depth19 km (11.8 miles) set by location program
RegionEASTERN SICHUAN, CHINA
Distances80 km (50 miles) WNW of Chengdu, Sichuan, China
150 km (90 miles) WSW of Mianyang, Sichuan, China
350 km (215 miles) WNW of Chongqing, Chongqing, China
1545 km (960 miles) SW of BEIJING, Beijing, China
Location Uncertaintyhorizontal +/- 5 km (3.1 miles); depth fixed by location program
ParametersNST=357, Nph=357, Dmin=592.1 km, Rmss=1.38 sec, Gp= 14°,
M-type=moment magnitude (Mw), Version=R
Source
  • USGS NEIC (WDCS-D)
Event IDus2008ryan



Earthquake Summary
Earthquake Summary Poster
The following is a release by the United States Geological Survey, National Earthquake Information Center: An earthquake occurred 90 km (55 miles) WNW of Chengdu, Sichuan, China and 1545 km (960 miles) SW of BEIJING, Beijing, China at 12:28 AM MDT, May 12, 2008 (2:28 PM local time in China). The magnitude and location may be revised when additional data and further analysis results are available.

Felt ReportsAt least 51,000 people killed and severe damage in the Dujiangyan-Mianzhu-Mianyang area. Landslides blocked roads and buried buildings in the Beichuan-Wenchuan area. Felt (VII) at Chengdu, (VI) at Xi'an and (V) at Chongqing and Lanzhou. Felt in much of central, eastern and southern China, including Beijing, Guangzhou, Nanjing, Shanghai, Tianjin, Wuhan and in Hong Kong. Also felt in parts of Bangladesh, Taiwan, Thailand and Vietnam.
Tectonic SummaryThe Sichuan earthquake of May 12, 2008, occurred as the result of motion on a northeast striking reverse fault or thrust fault on the northwestern margin of the Sichuan Basin. The earthquake's epicenter and focal-mechanism are consistent with it having occurred as the result of movement on the Longmenshan fault or a tectonically related fault. The earthquake reflects tectonic stresses resulting from the convergence of crustal material slowly moving from the high Tibetan Plateau, to the west, against strong crust underlying the Sichuan Basin and southeastern China.
On a continental scale, the seismicity of central and eastern Asia is a result of northward convergence of the India plate against the Eurasia plate with **elocity of about 50 mm/y. The convergence of the two plates is broadly accommodated by the uplift of the Asian highlands and by the motion of crustal material to the east away from the uplifted Tibetan Plateau.
The northwestern margin of the Sichuan Basin has previously experienced destructive earthquakes. The magnitude 7.5 earthquake of August 25, 1933, killed more than 9,300 people.
 楼主| 发表于 2008-5-27 14:09 | 显示全部楼层

China: Quake toll surpasses 60,000

China: Quake toll surpasses 60,000



(CNN) -- China's Premier Wen Jiabao Saturday gave U.N. chief Ban Ki-moon a dramatic look at damage caused by the massive quake that hit Sichuan province earlier this month as the death toll from the catastrophe jumped past 60,000.
A woman hugs a picture of her daughter, who died with other students at a school in Wufu, China, on May 12.


more photos »




A strong aftershock shook the town of Yingxiu, a small town near the epicenter of May 12's 7.9 magnitude quake, as Wen and Ban toured the area.
"The world will not forget," Ban told Wen, who appealed the U.N. chief to help raise international aid for the region.
China's central government announced Saturday that the death toll had risen to 60,560 with another 26,221 people missing and 353,290 injured.
Nearly every building in Yingxiu was destroyed and no residents remain there. About half of the town's 18,000 residents are either dead or missing and most survivors left on foot, leaving behind a ghost town.
Wen predicted that a return to "normal" life in the area would take about three months, adding that the lack of infectious disease outbreaks despite harsh living conditions for survivors had lessened the scope of the disaster.
The central government estimates that 45 million people, mostly in the Sichuan province, were affected by the massive earthquake and that five million were left homeless.
China put out an urgent call for tents and medical supplies to help victims of the earthquake.
Despite the passage of 12 days since the quake, searchers are still hoping to find people alive under collapsed structures.
A government official said Saturday that a rescue operation was under way for 24 coal miners believed trapped in three mines in the quake zone. The government said at least 176 coal miners were killed and 254 were missing in the 316 coal mines affected by quake.

Ban's Chin**isit was sandwiched between trips to Myanmar, where Cyclone Nargis struck three weeks ago, leaving more than 130,000 people dead or missing and displacing as many as 2 million others.
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发表于 2008-5-28 09:15 | 显示全部楼层
很久不见这个ID露面了。
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