Alaska earthquakes

M2.6 earthquake 188 km W of Adak, Alaska

A magnitude 2.6 earthquake struck 188 km W of Adak, Alaska on Sun, Nov 28, 2021, 4:55 PM HAST (02:55 UTC), 96 km (60 mi) below the surface.

A larger quake followed: M5.1 Andreanof Islands, Aleutian Islands, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.6 (ml), micro
Local time: Sun, Nov 28, 2021, 4:55 PM HAST
UTC: 2021-11-29 02:55:40 UTC
Depth: 96.1 km (59.7 mi), intermediate-depth
Epicenter: 51.681° N, 179.346° 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 5.3 km horizontally, 5.5 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 142°
Stations used: 21

Nearby

Within 100 km, magnitude 1.5 and up: 100 in the 60 days after this one and 74 in the 30 days before it.

After

The first 60 of 100.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000g8qd (also filed as ak021farhbr8). Read Thu, Sep 24, 2026, 2:29 PM UTC.