Alaska earthquakes

M3.2 earthquake 115 km S of Sand Point, Alaska

A magnitude 3.2 earthquake struck 115 km S of Sand Point, Alaska on Thu, May 20, 2021, 9:53 AM AKDT (17:53 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.1 115 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: 3.2 (ml), minor
Local time: Thu, May 20, 2021, 9:53 AM AKDT
UTC: 2021-05-20 17:53:32 UTC
Depth: 7.2 km (4.5 mi), shallow
Epicenter: 54.321° N, 160.833° 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 3.4 km horizontally, 6.2 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 203°, poorly surrounded by stations
Stations used: 41

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast115 kmS

Nearby

Within 100 km, magnitude 1.5 and up: 146 in the 60 days after this one and 53 in the 30 days before it.

After

The first 60 of 146.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000e4xd (also filed as ak0216ftoe03). Read Wed, Sep 23, 2026, 7:14 PM UTC.