At least 12 people had been injured and more than 300 houses damaged in an earthquake that jolted Ningnan county,southwestern Sichuan Province, and neighboring Qiaojia county of Yunnan Province, local authorities said Sunday.

The earthquake measuring 4.8 on the Richter occurred at 8:53 a.m. Sunday Beijing time.

The earthquake left at least 11 people injured and damaged 300 to 400 houses in Qiaojia County, said Fang Zonghui, head of the county.

Another person was slightly injured in Ningnan County, local officials said, adding that nobody was reported dead or missing.

The epicenter, with a depth of about 10 kilometers, was located at 27.1 degrees north latitude and 102.9 degrees longitude according to Sichuan's earthquake network center.

The damage of the earthquake is being evaluated.