(Photo: worldatlas.com)

NEW YORK, Feb. 15 (Xinhua) -- An earthquake with a magnitude of 5.6 jolted 278 km south of Sorong, Indonesia, at 23:00:28 GMT on Saturday, the US Geological Survey said.

The epicenter, with a depth of 18.8 km, was initially determined to be at 3.3946 degrees south latitude and 131.4798 degrees east longitude.