Shortly after the earthquake in Yushu, the Civil Aviation Administration of China (CAAC) and all the airlines, airports and related companies launched the contingency plan.

玉树发生地震后，中国民航各单位在第一时间启动应急预案。

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The quake struck at 08:02 local time (00:02 GMT) on Saturday, with the China Earthquake Administration categorising it as a 7.0 magnitude, and the US Geological Survey (USGS) reporting it as 6.6.

BBC: China quake kills scores in rural Sichuan