Adak, Alaska – A magnitude 5.0 earthquake struck the Aleutian Islands region of Alaska Monday morning, shaking areas south-southeast of the city of Adak, according to seismologists.
According to the Alaska Earthquake Center, the earthquake occurred at 9:03 a.m. Alaska Standard Time (18:03 UTC), with an epicenter located approximately 53 kilometers (33 miles) south-southeast of Adak. The quake was relatively shallow, recorded at a depth of about 4.4 kilometers, which can increase the likelihood of noticeable shaking near the epicenter.
Initial data from the U.S. Geological Survey’s Community Internet Intensity Map indicated light to weak shaking (Intensity III) in parts of the central Aleutian Islands. As of Monday afternoon, no injuries, structural damage, or power outages had been reported.
The Alaska Earthquake Center classified the event as reviewed, meaning analysts have confirmed the magnitude and location. A ShakeMap released shortly after the quake showed the strongest shaking concentrated offshore, limiting potential impacts to populated areas.
Adak is located in Aleutians West Census Area, part of the broader Aleutian Islands chain, a region well known for frequent seismic activity due to the ongoing subduction of the Pacific Plate beneath the North American Plate.
Emergency officials have not issued any tsunami warnings or advisories in connection with the earthquake. Residents in the region are encouraged to report their experiences through the “Did You Feel It?” system, which helps scientists better understand how earthquakes affect communities.
Seismologists note that aftershocks are possible, though most are typically smaller and diminish over time.
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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