Alaska earthquakes

M2.8 earthquake 107 km S of False Pass, Alaska

A magnitude 2.8 earthquake struck 107 km S of False Pass, Alaska on Thu, Aug 20, 2026, 9:22 PM AKDT (05:22 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.8 190 km SE of Akutan, 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
UTC
2026-08-21 05:22:04 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
53.892° N, 163.192° 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 2.1 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
224°, poorly surrounded by stations
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 61 since this one and 61 in the 30 days before it.

After

The first 60 of 61.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000tmdx (also filed as aka2026qmxvau). Read Thu, Sep 24, 2026, 9:38 AM UTC.