Alaska earthquakes

M1.6 earthquake 60 km WSW of Nanwalek, Alaska

A magnitude 1.6 earthquake struck 60 km WSW of Nanwalek, Alaska on Wed, Sep 29, 2021, 2:08 PM AKDT (22:08 UTC), 68 km (43 mi) below the surface.

A larger quake followed: M1.7 59 km WNW of Anchor Point, 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
2021-09-29 22:08:58 UTC
Depth
68.4 km (42.5 mi), shallow
Epicenter
59.181° N, 152.926° 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
54

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 ak021ci7brvh. Read Wed, Sep 23, 2026, 5:15 AM UTC.