Alaska earthquakes

M3.1 earthquake 118 km SE of Perryville, Alaska

A magnitude 3.1 earthquake struck 118 km SE of Perryville, Alaska on Mon, Sep 13, 2021, 9:23 AM AKDT (17:23 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.9 197 km SE of Chignik, 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.

Open the live map with earthquakes

The earthquake

Magnitude: 3.1 (ml), minor
Local time: Mon, Sep 13, 2021, 9:23 AM AKDT
UTC: 2021-09-13 17:23:49 UTC
Depth: 5.3 km (3.3 mi), shallow
Epicenter: 55.158° N, 157.824° 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: 37

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast171 kmE

Nearby

Within 100 km, magnitude 1.5 and up: 75 in the 60 days after this one and 124 in the 30 days before it.

After

The first 60 of 75.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021brnu8ym (also filed as us6000fqwe). Read Tue, Sep 22, 2026, 7:45 PM UTC.