Beijing  - An earthquake measuring 6.3 on the Richter scale hit China's remote north-western province of Qinghai on Monday, the government said.

The quake struck at 9:22 am (0122 GMT) with an epicentre in Qinghai's Haixi prefecture, an area mainly inhabited by Mongolians and Tibetans, the State Seismological Bureau reported.

The earthquake occurred in a depth of about 10 kilometres, the bureau said.

There were no immediate reports of damage or casualties. (dpa)