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An earthquake of 6.6-magnitude struck Luding County in southwest China's quake-prone Sichuan province.
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At least 21 casualties have been reported so far.
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The earthquake impacted telecommunications lines, left the roads blocked and triggered mountain landslides that caused "serious damage", reported Chinese broadcaster CCTV.
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Tremors were felt in the provincial capital Chengdu & the megacity Chongqing in Sichuan, China
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The shocks forced some power stations to shut down in the areas of Garze and Yaan, reported Chinese broadcaster CCTV.
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"All the dogs started barking. It was really quite scary. Some of my neighbours... said they felt it (the tremors) very noticeably," Chen, a resident of Chengdu, told AFP news agency.
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Take a look at the other two major earthquakes in China from the past.
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The 2013 earthquake in Sichuan's Yaan in China left 124 dead, over 5,500 injured.
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The earthquake in Wenchuan, China in 2008 was one of the largest earthquakes in the history of mankind in terms of socio-economic losses.
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