China state media reports an earthquake measuring a magnitude of 6.6 jolted northwest China's Xinjiang Uighur Autonomous Region early Saturday.
State television reports the quake lasted for more than 20 seconds, damaging buildings and residences.
Reports say the earthquake was felt strongly in Urumqi, the regional capital of Xinjiang. Residents say TV signals were affected and furniture was shaking.
Video footage of earthquake damage
In Wujiaqu City near Urumqi, some residents slept outdoors.
Seventeen people have been injured, one seriously, in the quake. But no deaths have been reported. Officials have sent teams to the quake-hit area to investigate the casualties and damage.
Chinese officials report 32 trains were suspended after the quake for safety reasons, and railway authorities have dispatched personnel to check facilities.