Alaska earthquakes

M2.2 earthquake 56 km WNW of Nikiski, Alaska

A magnitude 2.2 earthquake struck 56 km WNW of Nikiski, Alaska on Mon, Apr 5, 2021, 2:39 AM AKDT (10:39 UTC), 104 km (65 mi) below the surface.

A larger quake followed: M3.6 2 km WNW of Ninilchik, Alaska. This one was a foreshock.

Nikiski forecast More 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: 2.2 (ml), micro
Local time: Mon, Apr 5, 2021, 2:39 AM AKDT
UTC: 2021-04-05 10:39:32 UTC
Depth: 103.9 km (64.6 mi), intermediate-depth
Epicenter: 60.918° N, 152.226° 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: 101

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 170 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0214da8qd4 (also filed as us6000dz44). Read Sat, Sep 26, 2026, 12:13 PM UTC.