BEIJING, Dec. 22 (Xinhua) -- An earthquake with a magnitude of 5.7 jolted 113 km S of Akhiok, Alaska at 1144 GMT on Sunday, the U.S. Geological Survey said.

The epicenter, with a depth of 22.3 km, was initially determined to be at 55.93 degrees north latitude and 153.97 degrees west longitude. ■