Assertion: epicenter | /r/AtLocation | wenchuan county
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text: The epicenter was in Wenchuan County, Ngawa Tibetan and Qiang Autonomous Prefecture, 80 km (50 mi) west/northwest of the provincial capital of Chengdu, with its main tremor occurring at 14:28:01.42 China Standard Time (06:28:01.42 UTC), on May 12, 2008, lasting for around two minutes; in the quake almost 80% of buildings were destroyed.