JINGGU, Yunnan, Dec. 6 (Xinhua) -- A 5.9-magnitude earthquake struck southwest China's Yunnan province on Saturday evening, the China Earthquake Networks Center said.

The tremor was felt strongly at 6:20 p.m. at the Jinggu County, Pu'er City, which was jolted only about 16 hours ago by a 5.8-magnitude quake.

The quake hit at a depth of 10 kilometers, according to the center. Xinhua reporters saw many local people rushing out of their buildings.