A strong earthquake measuring 6.5 hit China's western province of Qinghai on Monday, the U.S. Geological Survey (USGS) said on its website, Reuters reported.
USGS had originally put the magnitude of the quake at 6.7 but revised it down to 6.5.
It said the epicentre of the quake was 161 km (101 miles)) north-northeast of Golmud at a depth of 9.9 km (6.2 km).