The death toll has risen to 367 in Sunday's 6.5-magnitude earthquake in Yunnan Province, southwestern China, Xinhua News Agency reported Monday.
The quake, which struck Ludian county of Zhaotong city at 4:30 p.m. Sunday, has left five other people missing and 1,801 people injured, it said.
Aftershocks have continued in the area, where transportation, electricity and communications were disrupted.
The Chinese government has mobilized the People's Liberation Army for rescue work.
In Zhaotong City, the quake has killed 296 people in Ludian County. It has also left 60 dead in Qiaojia County, according to Xinhua.
Zhaotong, with a population of 5.8 million, is located in a mountainous region, about 300 kilometers from the provincial capital Kunming.
An M5.7 earthquake struck the Zhaotong region in September 2012, killing more than 80 people.