LISBON, Aug. 26 (Xinhua) -- An earthquake with a magnitude of 5.4 jolted 58 km west of Sines, Portugal at 0411 GMT on Monday, the U.S. Geological Survey said.
The epicenter, with a depth of 10.7 km, was initially determined to be at 37.98 degrees north latitude and 9.54 degrees west longitude. ■