BEIJING - An earthquake measuring 5.4 on the Richter scale jolted the border area of Sichuan and Gansu provinces in west China at 5:58 am Tuesday Beijing Time, according to the China Earthquake Networks Center.

The epicenter, with a depth of 20 km, was monitored at about 32.6 degrees north latitude and 105.3 degrees east longitude, the center said in a statement.

The epicenter was located at the border area of the Qingchuan county in the city of Guangyuan in Sichuan and Wenxian county in the city of Longnan in Gansu.

There is no casualties report as of the press time.