Alaska earthquakes

M2.0 earthquake 68 km ENE of Adak, Alaska

A magnitude 2.0 earthquake struck 68 km ENE of Adak, Alaska on Thu, Nov 25, 2021, 6:56 AM HAST (16:56 UTC), 144 km (89 mi) below the surface.

A larger quake followed: M4.0 29 km SSW of Adak, Alaska. This one was a foreshock.

More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
2.0 (ml), micro
Local time
UTC
2021-11-25 16:56:17 UTC
Depth
143.6 km (89.2 mi), intermediate-depth
Epicenter
52.065° N, 175.682° 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
16

Nearby

Within 100 km, magnitude 1.5 and up: 132 in the 60 days after this one and 69 in the 30 days before it.

After

The first 60 of 132.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021f4do5ka. Read Thu, Sep 24, 2026, 12:47 PM UTC.