BEIJING, Dec. 9 (Xinhua) -- A 4.6-magnitude earthquake hit the city of Mianyang, southwest China's Sichuan Province, at 3:20 p.m. Monday Beijing Time, according to the China Earthquake Networks Center.

The epicenter was monitored at 31.56 degrees north latitude and 104.25 degrees east longitude. The quake struck at a depth of 10 km.