A string of slight earthquakes have stricken northwest China's Xinjiang Uygur Autonomous Region on Sunday.

A 4.6-magnitude earthquake jolted Turpan, in eastern part of Xinjiang, at 12:09 p.m. Sunday Beijing Time, the China Earthquake Networks Center (CENC) said.

The epicenter, with a depth of five km, was determined to be at 43.4degrees north latitude and 89.3 degrees east longitude, the center said.

Also, a 3-magnitude earthquakes hit Urumqi, the regional capital, at 8:05 a.m. Sunday and one 3.2-magnitude quake jolted Changji city, near Urumqi, at 11:24 a.m.

The epicenter of the two quakes were 11 km and seven km deep respectively, according to the CENC.

No casualty has been reported yet.