A 4.2-magnitude earthquake on Saturday hit southwest China's Wenchuan County, the epicenter of the 8.0-magnitude quake in May 2008, according to the earthquake networks center of Sichuan Province. The earthquake occurred at 5:37 a.m. with a depth of 12 kilometers, Xinhua quoted the center as saying. Tremor was felt in Chengdu City, the provincial capital, which was about 100 km from Wenchuan. No casualties were reported.
