Alaska earthquakes

M2.5 earthquake 80 km E of Chignik, Alaska

A magnitude 2.5 earthquake struck 80 km E of Chignik, Alaska on Sat, Dec 11, 2021, 6:11 AM AKST (15:11 UTC), 89 km (55 mi) below the surface.

A larger quake followed: M3.5 103 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.

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The earthquake

Magnitude: 2.5 (ml), micro
Local time: Sat, Dec 11, 2021, 6:11 AM AKST
UTC: 2021-12-11 15:11:52 UTC
Depth: 89.2 km (55.4 mi), intermediate-depth
Epicenter: 56.399° N, 157.113° 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: 20

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast242 kmENE

Nearby

Within 100 km, magnitude 1.5 and up: 56 in the 60 days after this one and 35 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021futepck (also filed as us7000gbfg). Read Wed, Sep 23, 2026, 6:14 AM UTC.