Alaska earthquakes

M3.1 earthquake 44 km SSW of Nelson Lagoon, Alaska

A magnitude 3.1 earthquake struck 44 km SSW of Nelson Lagoon, Alaska on Wed, Apr 23, 2025, 7:12 PM AKDT (03:12 UTC), 176 km (109 mi) below the surface.

A larger quake followed: M3.7 58 km SW 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: 3.1 (ml), minor
Local time: Wed, Apr 23, 2025, 7:12 PM AKDT
UTC: 2025-04-24 03:12:17 UTC
Depth: 175.6 km (109.1 mi), intermediate-depth
Epicenter: 55.642° N, 161.522° 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 8.0 km horizontally, 5.9 km in depth
Magnitude uncertainty: ±0.08
Depth from: From location
Station coverage gap: 123°
Stations used: 39

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast73 kmWNW

Nearby

Within 100 km, magnitude 1.5 and up: 42 in the 60 days after this one and 31 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 us7000pxc8 (also filed as ak02558l4h7a). Read Wed, Sep 30, 2026, 4:56 PM UTC.