Alaska earthquakes

M2.0 earthquake 65 km W of Tyonek, Alaska

A magnitude 2.0 earthquake struck 65 km W of Tyonek, Alaska on Mon, Oct 11, 2021, 8:03 AM AKDT (16:03 UTC), 120 km (74 mi) below the surface.

A larger quake followed: M2.3 42 km NW of Beluga, 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
2.0 (ml), micro
Local time
UTC
2021-10-11 16:03:19 UTC
Depth
119.8 km (74.4 mi), intermediate-depth
Epicenter
61.114° N, 152.348° 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
83

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 ak021d1y66il. Read Thu, Sep 24, 2026, 4:49 AM UTC.