Alaska earthquakes

M2.5 earthquake 115 km E of Chignik, Alaska

A magnitude 2.5 earthquake struck 115 km E of Chignik, Alaska on Mon, Oct 11, 2021, 1:44 AM AKDT (09:44 UTC), 74 km (46 mi) below the surface.

A larger quake followed: M2.9 116 km E 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: 2.5 (ml), micro
Local time: Mon, Oct 11, 2021, 1:44 AM AKDT
UTC: 2021-10-11 09:44:38 UTC
Depth: 73.9 km (45.9 mi), intermediate-depth
Epicenter: 56.272° N, 156.533° 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: 46

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast269 kmENE

Nearby

Within 100 km, magnitude 1.5 and up: 180 in the 60 days after this one and 19 in the 30 days before it.

After

The first 60 of 180.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021d1u8zjf (also filed as us6000g9w1). Read Tue, Sep 22, 2026, 11:27 PM UTC.