File photo: VCG

NEW YORK, Sept. 1 (Xinhua) -- A 5.1-magnitude earthquake jolted 72 km WSW of Arica, Chile at 21:32:17 GMT on Sunday, the U.S. Geological Survey said.
The epicenter, with a depth of 35.0 km, was initially determined to be at 18.6071 degrees south latitude and 70.9799 degrees west longitude.