Alaska earthquakes

M1.7 earthquake 64 km WNW of Nikiski, Alaska

A magnitude 1.7 earthquake struck 64 km WNW of Nikiski, Alaska on Tue, Nov 30, 2021, 12:03 AM AKST (09:03 UTC), 102 km (63 mi) below the surface.

A larger quake followed: M1.8 23 km WSW of Salamatof, Alaska. This one was a foreshock.

Nikiski forecastMore in Alaska

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

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The earthquake

Magnitude
1.7 (ml), micro
Local time
UTC
2021-11-30 09:03:26 UTC
Depth
101.6 km (63.1 mi), intermediate-depth
Epicenter
60.937° N, 152.361° 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
39

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021fcivik1. Read Wed, Sep 23, 2026, 1:59 PM UTC.