Alaska earthquakes

M2.4 earthquake Southern Alaska

A magnitude 2.4 earthquake struck in Southern Alaska on Tue, Dec 21, 2021, 9:30 PM AKST (06:30 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.2 Southern Alaska. This one was a foreshock.

Valdez forecast 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: 2.4 (ml), micro
Local time: Tue, Dec 21, 2021, 9:30 PM AKST
UTC: 2021-12-22 06:30:23 UTC
Depth: 8.9 km (5.5 mi), shallow
Epicenter: 61.438° N, 147.167° 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: 72

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 116 in the 60 days after this one and 53 in the 30 days before it.

After

The first 60 of 116.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021gcv2mph (also filed as us6000gef4). Read Thu, Sep 24, 2026, 10:13 AM UTC.