Alaska earthquakes

M3.3 earthquake 59 km ENE of Susitna North, Alaska

A magnitude 3.3 earthquake struck 59 km ENE of Susitna North, Alaska on Tue, Nov 30, 2021, 8:30 AM AKST (17:30 UTC), 45 km (28 mi) below the surface.

A larger quake followed: M3.6 57 km SSW of Cantwell, Alaska. This one was a foreshock.

Susitna North forecastMore in Alaska

Map

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

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The earthquake

Magnitude
3.3 (ml), minor
Local time
UTC
2021-11-30 17:30:59 UTC
Depth
45.1 km (28.0 mi), shallow
Epicenter
62.447° N, 148.879° W
Region
Alaska
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, 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
186

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 135 in the 60 days after this one and 88 in the 30 days before it.

After

The first 60 of 135.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021fcnsuak (also filed as us6000g7xe). Read Wed, Sep 30, 2026, 11:52 AM UTC.