Alaska earthquakes

M2.4 earthquake 77 km WSW of Cantwell, Alaska

A magnitude 2.4 earthquake struck 77 km WSW of Cantwell, Alaska on Wed, Dec 22, 2021, 7:23 PM AKST (04:23 UTC), 116 km (72 mi) below the surface.

A larger quake followed: M5.2 72 km S of Cantwell, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude: 2.4 (ml), micro
Local time: Wed, Dec 22, 2021, 7:23 PM AKST
UTC: 2021-12-23 04:23:03 UTC
Depth: 116.0 km (72.1 mi), intermediate-depth
Epicenter: 63.172° N, 150.413° 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: 91

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 118 in the 30 days before it.

After

The first 60 of at least 201.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021gehdkhr (also filed as us6000ger8). Read Wed, Sep 30, 2026, 12:39 PM UTC.