Alaska earthquakes

M3.1 earthquake 96 km SSE of Sand Point, Alaska

A magnitude 3.1 earthquake struck 96 km SSE of Sand Point, Alaska on Thu, Dec 24, 2020, 3:31 AM AKST (12:31 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M4.5 90 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: 3.1 (ml), minor
Local time: Thu, Dec 24, 2020, 3:31 AM AKST
UTC: 2020-12-24 12:31:25 UTC
Depth: 22.2 km (13.8 mi), shallow
Epicenter: 54.597° N, 159.723° 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 4.1 km horizontally, 11.0 km in depth
Magnitude uncertainty: ±0.08
Depth from: From location
Station coverage gap: 201°, poorly surrounded by stations
Stations used: 30

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast96 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 201.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000d606 (also filed as ak020ghx9hqu). Read Sat, Sep 26, 2026, 9:48 PM UTC.