Alaska earthquakes

M2.6 earthquake Alaska Peninsula

A magnitude 2.6 earthquake struck in the Alaska Peninsula on Mon, Feb 27, 2023, 11:07 PM AKST (08:07 UTC), 149 km (92 mi) below the surface.

A larger quake followed: M3.1 31 km SSW 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: 2.6 (ml), micro
Local time: Mon, Feb 27, 2023, 11:07 PM AKST
UTC: 2023-02-28 08:07:27 UTC
Depth: 148.6 km (92.4 mi), intermediate-depth
Epicenter: 55.940° N, 160.813° 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 7.0 km horizontally, 6.8 km in depth
Magnitude uncertainty: ±0.15
Depth from: From location
Station coverage gap: 141°
Stations used: 16

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast70 kmNNW

Nearby

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 15 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 us7000jhph (also filed as ak0232ppii6y). Read Wed, Sep 30, 2026, 8:41 PM UTC.