Alaska earthquakes

M2.7 earthquake 229 km S of Sand Point, Alaska

A magnitude 2.7 earthquake struck 229 km S of Sand Point, Alaska on Tue, Aug 31, 2021, 9:01 PM AKDT (05:01 UTC), 32 km (20 mi) below the surface.

A larger quake followed: M3.2 238 km S 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: 2.7 (ml), micro
Local time: Tue, Aug 31, 2021, 9:01 PM AKDT
UTC: 2021-09-01 05:01:32 UTC
Depth: 31.6 km (19.6 mi), shallow
Epicenter: 53.300° N, 159.925° 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 12.6 km horizontally, 23.3 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 256°, poorly surrounded by stations
Stations used: 23

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast229 kmS

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 7 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 us7000fbmg (also filed as ak021b7m44rs). Read Wed, Sep 23, 2026, 6:14 AM UTC.