An earthquake measuring 5.1 on the Richter scale jolted China-Myanmar border region late last night, the China Earthquake Networks Center reported.
The epicenter, with a depth of 7 km, was initially determined to be at 25.1 degrees north latitude and 97.6 degrees east longitude, the center said.
The tremor was felt in the city of Mangshi and Yingjiang and Tengchong counties in southwestern Yunnan Province at around 11:06 pm Beijing Time (2036 IST).
The epicenter was on the Myanmar side, some 15 km from the border and 57 km from the government seat of Yingjiang County, state run Xinhua news agency reported quoting sources with the Yunnan Earthquake Bureau.
There are no immediate reports of casualties or major damage from the affected region.
A magnitude-5.8 earthquake hit Yingjiang County on March 10 this year, leaving 26 people dead and 313 others injured, including 133 seriously.