Alaska earthquakes

M2.0 earthquake 63 km WNW of Happy Valley, Alaska

A magnitude 2.0 earthquake struck 63 km WNW of Happy Valley, Alaska on Wed, Sep 29, 2021, 3:06 PM AKDT (23:06 UTC), 111 km (69 mi) below the surface.

A larger quake followed: M4.7 12 km SSW of Clam Gulch, Alaska. This one was a foreshock.

Happy Valley 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
2.0 (ml), micro
Local time
UTC
2021-09-29 23:06:22 UTC
Depth
111.1 km (69.0 mi), intermediate-depth
Epicenter
60.067° N, 152.838° 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
76

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 201 in the 60 days after this one and 188 in the 30 days before it.

After

The first 60 of at least 201.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021ci7wpa6. Read Tue, Sep 29, 2026, 1:28 AM UTC.