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Powerful 7.4 Magnitude Earthquake Shakes Alaska

06/23/2011 Leave a comment Go to comments

Richter Magnitude 7.4, FOX ISLANDS, ALEUTIAN ISLANDS, ALASKA
Thursday, June 23, 2011 at 06:09:39 PM
52.008°N, 171.859°W
Depth:  62.6 km (38.9 miles)

“WASHINGTON – A major earthquake of 7.4 magnitude hit in the Pacific Ocean on Thursday 107 miles (172 km) east of Atka, Alaska, at a depth of about 25 miles (40 km), and a tsunami warning was in effect for coastal Alaska, warning agencies said.

A second quake of the same magnitude hit in the same vicinity and at the same depth a half-minute later, the U.S. Geological Survey said.

‘A Tsunami warning is now in effect which includes the coastal areas of Alaska from Unimak Pass, Alaska (80 miles northeast of Dutch Harbor) to Amchitka Pass, Alaska (125 miles west of Adak),’ the West Coast and Alaska Tsunami Warning Center said.” Read more.

Categories: Earthquakes
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