Alaska earthquakes

M3.0 earthquake 42 km SW of Nelson Lagoon, Alaska

A magnitude 3.0 earthquake struck 42 km SW of Nelson Lagoon, Alaska on Fri, Jun 23, 2023, 11:42 PM AKDT (07:42 UTC), 182 km (113 mi) below the surface.

A larger quake followed: M3.4 29 km ESE of Nelson Lagoon, 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: 3.0 (ml), minor
Local time: Fri, Jun 23, 2023, 11:42 PM AKDT
UTC: 2023-06-24 07:42:15 UTC
Depth: 181.7 km (112.9 mi), intermediate-depth
Epicenter: 55.681° N, 161.592° 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 7.5 km horizontally, 6.1 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 173°
Stations used: 14

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast79 kmWNW

Nearby

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 12 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 us6000knps (also filed as ak02381jgsp6). Read Wed, Sep 30, 2026, 4:07 PM UTC.