Alaska earthquakes

M2.4 earthquake 103 km SE of Sand Point, Alaska

A magnitude 2.4 earthquake struck 103 km SE of Sand Point, Alaska on Tue, Apr 27, 2021, 7:42 PM AKDT (03:42 UTC), 28 km (17 mi) below the surface.

A larger quake followed: M2.8 62 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: 2.4 (ml), micro
Local time: Tue, Apr 27, 2021, 7:42 PM AKDT
UTC: 2021-04-28 03:42:17 UTC
Depth: 28.0 km (17.4 mi), shallow
Epicenter: 54.576° N, 159.572° 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 8.5 km horizontally, 11.8 km in depth
Depth from: From location
Station coverage gap: 250°, poorly surrounded by stations
Stations used: 11

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast103 kmSE

Nearby

Within 100 km, magnitude 1.5 and up: 55 in the 60 days after this one and 144 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 us7000eazb (also filed as ak0215f7gaiu). Read Wed, Sep 23, 2026, 6:30 PM UTC.