BEIJING, Aug. 13 (Xinhua) -- An earthquake with a magnitude of 5.1 jolted 17 km ENE of Palaiochora, Greece at 0749 GMT on Sunday, the U.S. Geological Survey said. The epicenter, with a depth of 10.0 km, was initially determined to be at 35.29 degrees north latitude and 23.86 degrees east longitude. ■