Alaska earthquakes

M2.4 earthquake 64 km SE of Perryville, Alaska

A magnitude 2.4 earthquake struck 64 km SE of Perryville, Alaska on Thu, Oct 28, 2021, 3:10 PM AKDT (23:10 UTC), 36 km (23 mi) below the surface.

A larger quake followed: M3.1 98 km SSE of Perryville, Alaska. This one was a foreshock.

Sand Point 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: 2.4 (ml), micro
Local time: Thu, Oct 28, 2021, 3:10 PM AKDT
UTC: 2021-10-28 23:10:18 UTC
Depth: 36.4 km (22.6 mi), shallow
Epicenter: 55.489° N, 158.434° 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: 21

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast132 kmE

Nearby

Within 100 km, magnitude 1.5 and up: 76 in the 60 days after this one and 36 in the 30 days before it.

After

The first 60 of 76.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021du6im5r (also filed as us6000g9qb). Read Tue, Sep 22, 2026, 9:36 PM UTC.