Alaska earthquakes

M3.0 earthquake 115 km E of Chignik, Alaska

A magnitude 3.0 earthquake struck 115 km E of Chignik, Alaska on Sat, Oct 16, 2021, 6:30 AM AKDT (14:30 UTC), 46 km (28 mi) below the surface.

A larger quake followed: M3.4 150 km SSW of Akhiok, 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: Sat, Oct 16, 2021, 6:30 AM AKDT
UTC: 2021-10-16 14:30:14 UTC
Depth: 45.8 km (28.5 mi), shallow
Epicenter: 56.289° N, 156.535° 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: 124

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: 105 in the 60 days after this one and 94 in the 30 days before it.

After

The first 60 of 105.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021da6ttrq (also filed as us6000fv8h). Read Wed, Sep 23, 2026, 2:38 AM UTC.