BEIJING, July 22 : An earthquake with a magnitude of 7.4 jolted 84 km south-southeast of Perryville, Alaska at 0612 GMT on Wednesday, the U.S. Geological Survey said.
The epicenter, with a depth of 13.0 km, was initially determined to be at 55.22 degrees north latitude and 158.594 degrees west longitude.
National Tsunami Warning Center issued a tsunami alert.
Tsunami Warning in Effect for: * SOUTH ALASKA AND THE ALASKA PENINSULA, Pacific coasts from
Kennedy Entrance, Alaska (40 miles SW of Homer) to Unimak
Pass, Alaska (80 miles NE of Unalaska)