KUNMING, Aug. 21 -- A 4.2-magnitude earthquake struck China's Yunnan Province on Thursday.

The earthquake occurred in Binchuan County, Bai Autonomous Prefecture of Dali at 12:11 a.m. Thursday with its epicenter 12 km deep, according to the China Earthquake Networks Center.

Residents in the county seat felt the earthquake with many rushing out of their homes, said Zhao Zhizhen, a county official.

There have been no reports of casualties or damage. Local authorities are checking into the situation.

Yunnan is prone to earthquakes. A 6.5-magnitude earthquake in Ludian in the northeast of Yunnan on Aug. 3 killed more than 600 people and destroyed 80,000 homes.