Alaska earthquakes

M2.7 earthquake 63 km N of Karluk, Alaska

A magnitude 2.7 earthquake struck 63 km N of Karluk, Alaska on Sun, Aug 22, 2021, 4:43 AM AKDT (12:43 UTC), 72 km (45 mi) below the surface.

A larger quake followed: M3.5 62 km NW of Karluk, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude: 2.7 (ml), micro
Local time: Sun, Aug 22, 2021, 4:43 AM AKDT
UTC: 2021-08-22 12:43:19 UTC
Depth: 72.4 km (45.0 mi), intermediate-depth
Epicenter: 58.134° N, 154.554° 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: 93

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 104 in the 60 days after this one and 49 in the 30 days before it.

After

The first 60 of 104.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021ar75o36 (also filed as us6000f9n8). Read Wed, Sep 23, 2026, 10:31 PM UTC.