Alaska earthquakes

M2.8 earthquake 224 km ESE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 224 km ESE of Chiniak, Alaska on Thu, Aug 20, 2026, 9:10 AM AKDT (17:10 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.9 223 km SE of Chiniak, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 2.8 (ml), micro
Local time: Thu, Aug 20, 2026, 9:10 AM AKDT
UTC: 2026-08-20 17:10:01 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.726° N, 148.945° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 10.2 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.06
Depth from: Operator assigned
Station coverage gap: 292°, poorly surrounded by stations
Stations used: 14

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 12 since this one and 10 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000tmps (also filed as aka2026qlzknm). Read Mon, Sep 21, 2026, 9:46 AM UTC.