Alaska earthquakes

M3.7 earthquake 7 km SW of Venetie, Alaska

A magnitude 3.7 earthquake struck 7 km SW of Venetie, Alaska on Sat, Nov 27, 2021, 4:39 PM AKST (01:39 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.3 northern 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: 3.7 (ml), minor
Local time: Sat, Nov 27, 2021, 4:39 PM AKST
UTC: 2021-11-28 01:39:47 UTC
Depth: 11.0 km (6.8 mi), shallow
Epicenter: 66.959° N, 146.519° W
Region: Alaska
Strongest shaking: IV, light shaking
Tsunami flag: No
Status: Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: IV, light shaking
Peak ground acceleration: 1.7% of gravity
Peak ground velocity: -0.5 cm/s
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Oblique reverse
Moment magnitude: 3.5 Mwr
Nodal plane 1: Strike 300°, dip 70°, rake 142°
Nodal plane 2: Strike 45°, dip 55°, rake 25°

How well it is located

Reviewed by a seismologist.

Stations used: 75

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 7 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 ak021f939474 (also filed as us7000fxlg). Read Wed, Sep 30, 2026, 6:32 AM UTC.