Alaska earthquake: 7.1-magnitude quake strikes off Alaska

Alaska earthquake: A 7.1-magnitude quake struck Friday in the Aleutian Islands off Alaska, prompting a tsunami warning.

A 7.1 magnitude earthquake struck Friday in the Aleutian Islands off Alaska, the U.S. Geological Survey reported, prompting a tsunami warning for a portion of Alaska's coast.

The warning was posted for coastal areas from Unimak Pass, 80 miles northeast of Dutch Harbor, to Amchitka Pass, 125 miles west of Adak.

The Pacific Tsunami Warning Center said it did not see a threat of a widespread destructive tsunami from the quake, which was centered in the Pacific Ocean, 107 miles southeast of Atka, Alaska.

The quake, which struck at 10:55 GMT, was 22.1 miles deep, the USGS said.