Alaska earthquakes

M2.9 earthquake 72 km NNW of Nikolski, Alaska

A magnitude 2.9 earthquake struck 72 km NNW of Nikolski, Alaska on Sat, Nov 19, 2022, 11:14 PM AKST (08:14 UTC), 256 km (159 mi) below the surface.

A larger quake followed: M3.8 72 km N of Nikolski, 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, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-11-20 08:14:33 UTC
Depth
255.7 km (158.9 mi), intermediate-depth
Epicenter
53.492° N, 169.437° 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.ScaleComputed byNotes
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.085 · 18 stations
3.2ML, local (Richter)Alaska Earthquake CenterPreliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 13.2 km horizontally, 4.5 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
169°
Stations used
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 9 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000j76a (also filed as ak022evyyzh5). Read Sat, Oct 3, 2026, 3:14 AM UTC.