Alaska's North Slope hit by strongest quake noted in region as tremors measure 6.4 on Richter Scale

Mail Online | 8/13/2018 | Associated Press
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Alaska's North Slope was hit Sunday by the most powerful earthquake ever recorded in the region, the state's seismologist said.

At 6:58am Sunday, the magnitude 6.4 earthquake struck an area 42 miles east of Kavik River Camp and 343 miles northeast of Fairbanks, the state's second-biggest city.

US - Geological - Survey - Earthquake - Depth

The U.S. Geological Survey says the earthquake had a depth of about 6 miles.

State seismologist Mike West told the Anchorage Daily News that the earthquake was the biggest recorded in the North Slope by a substantial amount.

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'This is a very significant event that will take us some time to understand,' he told the Daily News.

The previous most powerful quake in the North Slope was in 1995 at magnitude 5.2, West told the newspaper.

Jump - Sunday - Earthquakes - Strength - Magnitude

The jump from a 5.2 to Sunday's 6.4 is significant because earthquakes rapidly grow in strength as magnitude rises, he said.

A magnitude 6.4 earthquake is 15.8 times bigger and 63.1 times stronger than a 5.2 earthquake, according to the U.S. Geological Survey.


'That's why at 6.4 this changes...
(Excerpt) Read more at: Mail Online
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