A 7.1-magnitude earthquake rocked the Tibetan Autonomous Prefecture of Yushu, northwest China's Qinghai Province on April 14, 2010.

The province had experienced 53 earthquakes above a magnitude of 5 on the Richter scale since 2001, according to China Earthquake Administration.

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Yushu Tibetan Autonomous Prefecture

Related: Powerful earthquakes in Qinghai Province since 2001

Yushu Tibetan Autonomous Prefecture, covering 267,000 square kilometers, has a population of more than 252,700 people, 97 percent of whom are Tibetans, and 21,700 people are farmers and herdsmen.

The prefecture, with an average altitude of 4,000 meters, is south to Mongolian-Tibetan-Kazak Autonomous Prefecture of Haixi, west to Tibetan Autonomous Prefecture of Golog, northwest to Tibetan Autonomous Prefecture of Garze in Sichuan Province and north to Qamdo Prefecture and northeast to Nagqu Prefecture in Tibet Autonomous Region and southeast to Mongolian Autonomous Prefecture of Bayingolin in Xinjiang Uygur Autonomous Region.

The gross domestic product of the prefecture reached more than 2.5 billion yuan (about 367.6 million U.S. dollars) in 2009.

The prefecture experienced a 5.0-magnitude earthquake on July 18, 2006 and a 5.6-magnitude quake on the second day, followed by a series of aftershocks. The epicenters were in sparsely populated pasturing area, and no casualties were reported.