This map shows the epicenter of an earthquake near Alaska. (USGS map) A powerful earthquake struck in the Pacific Ocean south of the Alaska Peninsula on Monday, according to the U.S.
Geological Survey. The 7.5-magnitude earthquake prompted the National Tsunami Center to issue a tsunami warning for south Alaska and the Alaska Peninsula."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)," the National Tsunami Center said in a bulletin.