Alaska earthquakes

M2.6 earthquake 8 km WNW of Dutch Harbor, Alaska

A magnitude 2.6 earthquake struck 8 km WNW of Dutch Harbor, Alaska on Sun, Apr 18, 2021, 12:41 PM AKDT (20:41 UTC), 114 km (71 mi) below the surface.

A larger quake followed: M3.7 33 km SSW of Unalaska, Alaska. This one was a foreshock.

Dutch Harbor 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: Sun, Apr 18, 2021, 12:41 PM AKDT
UTC: 2021-04-18 20:41:02 UTC
Depth: 114.4 km (71.1 mi), intermediate-depth
Epicenter: 53.906° N, 166.669° 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 17.8 km horizontally, 3.7 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 80°
Stations used: 22

Nearest places

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

Dutch Harbor, AlaskaPopulation 4,376. Forecast9 kmWNW

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 36 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 us7000e2gl (also filed as ak0214yy6y4b). Read Wed, Sep 23, 2026, 5:45 PM UTC.