Alaska earthquakes

M1.6 earthquake 12 km WNW of Anchorage, Alaska

A magnitude 1.6 earthquake struck 12 km WNW of Anchorage, Alaska on Sun, Oct 24, 2021, 7:25 AM AKDT (15:25 UTC), 46 km (28 mi) below the surface.

A larger quake followed: M1.8 13 km WNW of Tyonek, Alaska. This one was a foreshock.

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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
1.6 (ml), micro
Local time
UTC
2021-10-24 15:25:35 UTC
Depth
45.6 km (28.3 mi), shallow
Epicenter
61.262° N, 150.114° 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
65

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 196 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 196.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021dnfp0bu. Read Thu, Sep 24, 2026, 3:53 AM UTC.