Alaska earthquakes

M2.5 earthquake Alaska Peninsula

A magnitude 2.5 earthquake struck in the Alaska Peninsula on Thu, Mar 18, 2021, 6:34 AM AKDT (14:34 UTC), 63 km (39 mi) below the surface.

A larger quake followed: M3.7 90 km SE of Perryville, 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: 2.5 (ml), micro
Local time: Thu, Mar 18, 2021, 6:34 AM AKDT
UTC: 2021-03-18 14:34:33 UTC
Depth: 62.8 km (39.0 mi), shallow
Epicenter: 55.541° N, 158.880° 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.

Stations used: 42

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast105 kmENE

Nearby

Within 100 km, magnitude 1.5 and up: 64 in the 60 days after this one and 43 in the 30 days before it.

After

The first 60 of 64.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213jkx65z (also filed as us6000e03m). Read Tue, Sep 29, 2026, 9:44 AM UTC.