Alaska earthquakes

M3.4 earthquake 46 km SSE of Akutan, Alaska

A magnitude 3.4 earthquake struck 46 km SSE of Akutan, Alaska on Sun, Nov 21, 2021, 11:57 PM AKST (08:57 UTC), 101 km (63 mi) below the surface.

A larger quake followed: M4.5 74 km SE 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: 3.4 (ml), minor
Local time: Sun, Nov 21, 2021, 11:57 PM AKST
UTC: 2021-11-22 08:57:33 UTC
Depth: 101.0 km (62.8 mi), intermediate-depth
Epicenter: 53.740° N, 165.558° 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 11.6 km horizontally, 17.8 km in depth
Magnitude uncertainty: ±0.08
Depth from: From location
Station coverage gap: 180°
Stations used: 64

Nearest places

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

Akutan, AlaskaPopulation 1,040. Forecast46 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 100 in the 60 days after this one and 77 in the 30 days before it.

After

The first 60 of 100.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000fw5s (also filed as ak021ezaawao). Read Mon, Sep 28, 2026, 2:12 PM UTC.