Alaska’s Aleutian Island Struck by Magnitude 7.2 Quake

By Dan Keane
13:43, December 19th 2007
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Alaska’s Aleutian Island Struck by Magnitude 7.2 Quake

A large earthquake struck off the Andreanof Islands in the Aleutian Islands in southern Alaska late Tuesday, according to the U.S. Geological Survey (USGS).

There were no immediate reports of damages or injuries.

The quake stuck at 11:30 p.m. Tuesday with 7.2-magnitude on the Richter scale and was centered about 125 miles west of Adak in the island chain, according to a preliminary report by the USGS, the Associated Press reports.

The quake triggered a brief tsunami warning for the Alaska coast from Nikolski to Attu, on Wednesday morning, which was later canceled.

"No destructive tsunami has been recorded, and no tsunami danger exists along the coasts of the U.S. West Coast states, Alaska and British Columbia. Local authorities can assume all clear upon receipt of this message," the West Coast and Alaska Tsunami Warning Center in Palmer, Alaska, said, according to the Disaster News Network.

According to the Alaska Earthquake Information Center, the quake was quickly followed by at least three aftershocks with a 5.0 magnitude or more.

The Aleutian Islands includes a chain of more than 300 islands that extend southwestward from Alaska into the northern Pacific Ocean.

A bigger earthquake with a magnitude 8.8 on the Richter scale struck the Andreanof Island in March 1957, which caused severe damage on Adak and Unimak Islands. The quake was followed by a damaging tsunami, which lead to a 40-feet wall of water smashing the coastline of Scotch Cap on Unimak Island.  



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