An earthquake measuring 5.3 on the Richter scale jolted 99km WSW of Iquique, Chile at 14:06:07 GMT on Sunday ( 22:06:07 Beijing Time), the U.S. Geological Survey said.

The epicenter, with a depth of 8.28 km, was initially determined to be at 20.4113 degrees south latitude and 71.0717 degrees west longitude.