BEIJING, Dec. 11 (Xinhua) -- The China Earthquake Administration (CEA) initiated a Level-IV emergency service response on Thursday after a 5.0-magnitude earthquake struck Tsonyi County in Nagqu City, located in southwest China's Xizang Autonomous Region.

According to the China Earthquake Networks Center (CENC), the earthquake occurred at 7:59 p.m. Thursday (Beijing Time) at a depth of 10 kilometers.

Following the earthquake, the CEA has instructed the CENC and the regional earthquake agency of Xizang to conduct joint consultations, and strengthen seismic monitoring and post-earthquake assessment of the situation.