Alaska earthquakes

M3.0 earthquake 75 km NW of Paxson, Alaska

A magnitude 3.0 earthquake struck 75 km NW of Paxson, Alaska on Sun, Dec 5, 2021, 8:28 AM AKST (17:28 UTC), 1 km (0 mi) below the surface.

A larger quake followed: M3.4 31 km NNE of Paxson, Alaska. This one was a foreshock.

Fort Greely 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: 3.0 (ML, local (Richter)), minor
Magnitude from: Alaska Earthquake Center
Local time: Sun, Dec 5, 2021, 8:28 AM AKST
UTC: 2021-12-05 17:28:24 UTC
Depth: 0.8 km (0.5 mi), shallow
Epicenter: 63.520° N, 146.765° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
3.0	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
3.2	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.03 · 146 stations

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: 110

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 13 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 ak021fkxh2lg (also filed as us6000g9ay). Read Thu, Oct 1, 2026, 10:23 AM UTC.