A regional tsunami warning has been issued after a magnitude 7.1 earthquake south-east of Alaska's remote Aleutian Islands.
The quake's epicentre was some 125 miles (200km) from the settlement of Atka, at a depth of 22 miles, the US Geological Survey reported.
Atka - some 1,000 miles south-west of Anchorage - has a population of less than 100, according to a census in 2000.
Its main industry is fishing.
The quake rocked the remote Pacific region at 1055 GMT, said the USGS.
The Pacific Tsunami Warning Center said it did not forecast a widespread destructive tsunami from Friday's earthquake.
The warning is for coastal areas of Alaska which are very remote and not heavily populated, the Associated Press reported.
The region was the site of the world's biggest tsunami on record, when a massive rock-fall caused by a quake in 1958 led to a wave 1,720 ft (520m) high.
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