Alaska earthquakes

M3.3 earthquake 68 km SE of Unalaska, Alaska

A magnitude 3.3 earthquake struck 68 km SE of Unalaska, Alaska on Fri, Mar 27, 2026, 10:52 AM AKDT (18:52 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.5 88 km SE of Akutan, Alaska. This one was a foreshock.

Unalaska 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: 3.3 (mb), minor
Local time: Fri, Mar 27, 2026, 10:52 AM AKDT
UTC: 2026-03-27 18:52:21 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 53.413° N, 165.846° 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 3.4 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.28
Depth from: Operator assigned
Station coverage gap: 205°, poorly surrounded by stations
Stations used: 46

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast68 kmSE

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 64 in the 30 days before it.

After

The first 60 of at least 199.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000s89v (also filed as aka2026gbmgod). Read Wed, Sep 30, 2026, 12:40 AM UTC.