Strong 6.3 magnitude earthquake rattles western China

A strong 6.3 magnitude quake struck early Monday in China's Tibet region, the US Geological Survey reported.

The quake struck in a sparsely populated area at 2007 GMT Monday, the USGS said.

Its epicentre was nearly 600 kilometers (350 miles) northeast of Llasa at a shallow depth of 10 kilometers, according to USGS data.

There were no immediate reports of casualties.