Alaska earthquakes

M2.1 earthquake 125 km SSE of Sand Point, Alaska

A magnitude 2.1 earthquake struck 125 km SSE of Sand Point, Alaska on Thu, Dec 17, 2020, 11:51 AM AKST (20:51 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.0 89 km SSE 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: 2.1 (ml), micro
Local time: Thu, Dec 17, 2020, 11:51 AM AKST
UTC: 2020-12-17 20:51:10 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 54.250° N, 159.997° 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 2.2 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.14
Depth from: Operator assigned
Station coverage gap: 248°, poorly surrounded by stations
Stations used: 16

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast125 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 us6000d2at (also filed as ak020g6hdsa9). Read Sat, Sep 26, 2026, 10:09 PM UTC.