A 5-magnitude earthquake hit Qiaojia County in southwest China's Yunnan Province at 9:47 p.m. Monday, according to the China Earthquake Networks Center (CENC).
One house collapsed and trapping people inside, according to local police.
No casualties have been reported yet. Local residents said the earthquake could be obviously felt.
Deng Conghui, who lives on the third floor, told Xinhua on the phone that she felt the tremor. Her furniture was shaking but nothing fell off shelves. "The quake lasted several seconds," she added.
The epicenter, with a depth of 8 km, was monitored at 27.18 degrees north latitude and 103.16 degrees east longitude, said CENC in a statement.
The provincial seismological administration is studying earthquake response.