An earthquake measuring 5.1 on the Richter scale jolted south-west China's Yangbi County on Monday.
The epicentre of the quake was located in the county's Ajia and Puping villages, where some houses were reportedly damaged, said Wang Caixun, a publicity official of Yangbi County in Yunnan Province.
Firefighters and medical teams are heading to the villages, Wang said.
The epicentre was monitored at a depth of about 12 kilometres, China Earthquake Networks Centre said.
Four tremors measuring 3 to 4.7 on the Richter scale hit the same region before and after the quake, the centre said.
There were no reports of any casualties, state-run Xinhua news agency reported.