An earthquake measuring 5.6 on the Richter scale hit Xigaze Prefecture of southwest China's Tibet Autonomous Region early Sunday morning, the National Seismological Network said.

The quake struck an area bordering the Ngamring and Saga counties at 4:08 a.m.. No casualties were reported.

The network said the epicenter was detected as 29.4 degrees north latitude and 86.1 degrees east longitude, with a depth of about 33 km..