Alaska earthquakes

M2.7 earthquake 39 km SSW of Akutan, Alaska

A magnitude 2.7 earthquake struck 39 km SSW of Akutan, Alaska on Sat, Nov 20, 2021, 5:27 PM AKST (02:27 UTC), 76 km (47 mi) below the surface.

A larger quake followed: M3.4 46 km SSE of Akutan, Alaska. This one was a foreshock.

Akutan forecast More in Alaska

Map

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: Sat, Nov 20, 2021, 5:27 PM AKST
UTC: 2021-11-21 02:27:46 UTC
Depth: 76.3 km (47.4 mi), intermediate-depth
Epicenter: 53.792° N, 165.945° 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 8.7 km horizontally, 10.3 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 187°, poorly surrounded by stations
Stations used: 28

Nearest places

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

Akutan, AlaskaPopulation 1,040. Forecast40 kmSSW

Nearby

Within 100 km, magnitude 1.5 and up: 102 in the 60 days after this one and 59 in the 30 days before it.

After

The first 60 of 102.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000ge82 (also filed as ak021exj0jar). Read Thu, Sep 24, 2026, 5:50 AM UTC.