The China Earthquake Networks Center said the earthquake hit at a depth of 18 kilometres in Kangding County of Ganzi Tibetan Autonomous Prefecture, state-run Xinhua News Agency reported.
No casualty or damage to property have been reported so far.
"The house window was shaking fiercely. Some people rushed out of the building," a woman said.
Guo, a Kangding resident, said the tremor was powerful and many articles fell to the floor in his home, but he said he did not see any houses collapse.
