Alaska earthquakes

M2.8 earthquake 54 km SSE of Sand Point, Alaska

A magnitude 2.8 earthquake struck 54 km SSE of Sand Point, Alaska on Mon, Sep 6, 2021, 12:16 AM AKDT (08:16 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M3.7 84 km ESE 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: 2.8 (ml), micro
Local time: Mon, Sep 6, 2021, 12:16 AM AKDT
UTC: 2021-09-06 08:16:06 UTC
Depth: 28.9 km (18.0 mi), shallow
Epicenter: 54.854° N, 160.316° 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 5.6 km horizontally, 5.6 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 171°
Stations used: 32

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast55 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000fpxe (also filed as ak021bfxobpq). Read Wed, Sep 23, 2026, 4:46 PM UTC.