Alaska earthquakes

M2.5 earthquake 70 km SSE of Cantwell, Alaska

A magnitude 2.5 earthquake struck 70 km SSE of Cantwell, Alaska on Mon, Dec 6, 2021, 4:20 AM AKST (13:20 UTC), 62 km (38 mi) below the surface.

A larger quake followed: M3.6 57 km SSW 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
2.5 (ml), micro
Local time
UTC
2021-12-06 13:20:59 UTC
Depth
61.8 km (38.4 mi), shallow
Epicenter
62.867° N, 148.173° 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
116

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 94 in the 60 days after this one and 53 in the 30 days before it.

After

The first 60 of 94.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021fmil1p7 (also filed as us6000g9gi). Read Sun, Sep 27, 2026, 9:26 PM UTC.