Alaska earthquakes

M2.9 earthquake 95 km SE of Sand Point, Alaska

A magnitude 2.9 earthquake struck 95 km SE of Sand Point, Alaska on Tue, Aug 31, 2021, 4:56 AM AKDT (12:56 UTC), 23 km (14 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: 2.9 (ml), micro
Local time: Tue, Aug 31, 2021, 4:56 AM AKDT
UTC: 2021-08-31 12:56:37 UTC
Depth: 22.6 km (14.1 mi), shallow
Epicenter: 54.639° N, 159.618° 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 4.2 km horizontally, 10.4 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 208°, poorly surrounded by stations
Stations used: 18

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast96 kmSE

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 us7000fbyy (also filed as ak021b632mdx). Read Tue, Sep 22, 2026, 9:15 PM UTC.