An earthquake of magnitude 7 struck Tibet at around 10:33 p.m. local time (1433 GMT) on Thursday, the China Earthquake Networks Centre (CENC) said.
The epicentre was in a high-altitude county in Nagqu, northern Tibet, at a depth of 10 km (6.21 miles), and the average elevation within 5 km of the epicentre is about 4,864 metres, CENC data showed.
The quake was clearly felt in the local area, CENC said. The epicentre was around 400 km away from the Tibetan capital of Lhasa.