Alaska earthquakes

M1.6 earthquake 82 km ENE of Akutan, Alaska

A magnitude 1.6 earthquake struck 82 km ENE of Akutan, Alaska on Tue, Aug 10, 2021, 12:31 PM AKDT (20:31 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M1.9 112 km S of False Pass, 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: 1.6 (ml), micro
Local time: Tue, Aug 10, 2021, 12:31 PM AKDT
UTC: 2021-08-10 20:31:02 UTC
Depth: 20.3 km (12.6 mi), shallow
Epicenter: 54.305° N, 164.550° 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: 27

Nearest places

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

Akutan, AlaskaPopulation 1,040. Forecast82 kmENE

Nearby

Within 100 km, magnitude 1.5 and up: 90 in the 60 days after this one and 56 in the 30 days before it.

After

The first 60 of 90.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021a7hed4b (also filed as av91038133). Read Wed, Sep 23, 2026, 5:35 AM UTC.