Alaska earthquakes

M2.5 earthquake 36 km NNE of Karluk, Alaska

A magnitude 2.5 earthquake struck 36 km NNE of Karluk, Alaska on Sun, Aug 15, 2021, 2:00 PM AKDT (22:00 UTC), 54 km (34 mi) below the surface.

A larger quake followed: M2.7 63 km N of Karluk, 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: 2.5 (ml), micro
Local time: Sun, Aug 15, 2021, 2:00 PM AKDT
UTC: 2021-08-15 22:00:26 UTC
Depth: 54.1 km (33.6 mi), shallow
Epicenter: 57.892° N, 154.319° 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.

Stations used: 61

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 84 in the 60 days after this one and 49 in the 30 days before it.

After

The first 60 of 84.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021afs3dfd (also filed as us6000f6qq). Read Wed, Sep 23, 2026, 5:59 AM UTC.