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M6.4 Kaktovik earthquake: the largest ever on the North Slope

August 12, 2018

On Sunday morning at 6:58 Alaska time, we recorded a magnitude 6.4 earthquake 52 miles southwest of Kaktovik. It was, by a wide margin, the largest earthquake ever recorded north of the Brooks Range in Alaska.

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How's It Shaking? Structural Monitoring in Alaska

August 08, 2018

In early 2016, UAF Assistant Professor Dr.

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Bear Damage on Baldy Mountain

July 26, 2018

Not only do our remote seismic stations need to survive temperatures far below zero, heavy snows, ice, winds, rains, lightning strikes, and warm, muddy summer months, our stations must also withstand abuse from all variety

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60 years ago: The 1958 earthquake and Lituya Bay megatsunami

July 13, 2018

Lituya Bay

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The Offshore Kodiak earthquake, 3700 aftershocks later

July 05, 2018

Halfway through 2018, January's magnitude 7.9 earthquake in the Gulf of Alaska remains the year's largest quake worldwide.

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When is an earthquake about to happen? Foreshocks, Earthquake Nucleation, and Earthquake Prediction/Forecasting

June 25, 2018

For decades, there have been tantalizing clues about how we might know when an earthquake will happen. Sometimes, clusters of small earthquakes called foreshock sequences come in the days or weeks before a large earthquake.

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Landslide tsunamis: why they're different and how to prepare

June 10, 2018

Alaska's most recent deadly tsunami struck without warning on November 3, 1994. Witnesses described new steel sheet piles snapping in half as the railway dock, which was being refurbished, suddenly slid away from the shore.

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Finding faults in northeast Alaska

May 23, 2018

With only a handful of known active faults across northeast Alaska, you might not expect much in the way of earthquake activity. You’d be mistaken.

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With a trip to Chirikof Island, field season is underway

May 10, 2018

Two of our field crew, blessed with adequate weather, made the 180-mile flight from Kodiak to Chirikof Island last week. Once there, they replaced two aging seismometers, measured battery voltages and radio signal strength, and t

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Tsunami observations from the Offshore Kodiak earthquake

April 23, 2018

We spend a lot of time at the Earthquake Center anticipating what will happen during large earthquakes. For earthquakes occurring off the coast, tsunamis are one of our greatest hazards.

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