Alaska earthquakes

M3.0 earthquake 106 km S of Perryville, Alaska

A magnitude 3.0 earthquake struck 106 km S of Perryville, Alaska on Fri, Nov 12, 2021, 7:36 PM AKST (04:36 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.3 86 km SE of Sand Point, 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: 3.0 (ml), minor
Local time: Fri, Nov 12, 2021, 7:36 PM AKST
UTC: 2021-11-13 04:36:25 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 54.969° N, 158.851° 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 3.9 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.07
Depth from: Operator assigned
Station coverage gap: 189°, poorly surrounded by stations
Stations used: 32

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast112 kmESE

Nearby

Within 100 km, magnitude 1.5 and up: 152 in the 60 days after this one and 47 in the 30 days before it.

After

The first 60 of 152.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000gcl2 (also filed as ak021ekbyiq1). Read Tue, Sep 22, 2026, 8:40 PM UTC.