Adak, AK – A minor earthquake was recorded early Monday in the Aleutian Islands, striking south-southwest of Adak but causing no immediate reports of damage or injuries.
According to the Alaska Earthquake Center, the magnitude 3.7 earthquake occurred at 5:08 a.m. local time Sunday (14:08 UTC), approximately 66 kilometers (41 miles) south-southwest of Adak. The quake struck at a depth of about 30.5 kilometers, classifying it as a moderately shallow seismic event.
Seismologists say earthquakes of this size are common in the Aleutian Island chain, one of the most seismically active regions in the world due to the ongoing subduction of the Pacific Plate beneath the North American Plate. While the shaking may have been lightly felt in and around Adak, events below magnitude 4.0 rarely cause structural damage.
As of Monday morning, there were no felt reports submitted by residents, and officials have not issued any tsunami warnings or advisories. The National Tsunami Warning Center confirmed the quake did not meet criteria for tsunami generation.
The Alaska Earthquake Center reviewed and confirmed the event shortly after detection and continues to monitor for aftershocks. Residents in the region are encouraged to report any shaking they experienced through official “Did You Feel It?” reports, which help scientists better understand how seismic energy spreads across the islands.
Adak, located in the western Aleutians, sits near multiple active fault zones and frequently experiences small to moderate earthquakes throughout the year.
Anyone living in coastal Alaska is reminded to stay informed about earthquake safety and maintain emergency preparedness plans, even during smaller seismic events.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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