Alaska earthquakes

M2.9 earthquake 21 km NNW of Cantwell, Alaska

A magnitude 2.9 earthquake struck 21 km NNW of Cantwell, Alaska on Mon, Nov 8, 2021, 12:09 AM AKST (09:09 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.0 57 km NNE of Petersville, 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
2.9 (ml), micro
Local time
UTC
2021-11-08 09:09:21 UTC
Depth
5.8 km (3.6 mi), shallow
Epicenter
63.553° N, 149.186° W
Region
Alaska
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Stations used
153

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 168 in the 60 days after this one and 30 in the 30 days before it.

After

The first 60 of 168.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021ec535ly (also filed as us7000fscx). Read Thu, Sep 24, 2026, 8:39 AM UTC.