Strong earthquake strikes in China's Yunnan province - USGS
The official Xinhua news agency said shaking could be felt in the provincial capital of Yunnan.
The epicentre is in a remote, mostly rural mountainous part of Yunnan.
Hundreds died in a 6.3 magnitude quake which hit another part of Yunnan in August.
(Reporting by Ben Blanchard; Editing by Dominic Evans)