An earthquake measuring 5.2 on the Richter scale jolted northwest China\'s Xinjiang Uygur Autonomous Region at 8:48 p.m. Beijing Time (12:48 GMT) on Thursday, the China Earthquake Networks Center reported. The epicenter, with a depth of 10 km, was initially determined to be at 38.4 degrees north latitude and 76.9 degrees east longitude, in Shache County, Kashi Prefecture, the center said.