Traffic is slow on a road to the quake-hit Baosheng township in Ya'an, Sichuan province, April 21, 2013. [Photo/Xinhua]

BEIJING - An earthquake measuring 5.4-magnitude jolted Southwest China's Sichuan province at 5:05 pm Sunday Beijing Time, according to China Earthquake Networks Center.

The epicenter was at the bordering area of Qionglai city and Lushan county, where a deadly 7.0-magnitude quake occurred on Saturday morning.

The epicenter was monitored at 30.3 degrees north latitude and 103.0 degrees east longitude with a depth of 17 km.