Alaska earthquakes

M1.6 earthquake 52 km E of Pedro Bay, Alaska

A magnitude 1.6 earthquake struck 52 km E of Pedro Bay, Alaska on Wed, Sep 29, 2021, 10:03 AM AKDT (18:03 UTC), 111 km (69 mi) below the surface.

A larger quake followed: M1.9 27 km W of Anchor Point, Alaska. This one was a foreshock.

Anchor Point forecastMore in Alaska

Map

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
2021-09-29 18:03:12 UTC
Depth
111.3 km (69.2 mi), intermediate-depth
Epicenter
59.703° N, 153.182° 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
34

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 ak021ci4wvcu. Read Thu, Sep 24, 2026, 4:09 AM UTC.