Alaska earthquakes

M1.6 earthquake 26 km WSW of Susitna, Alaska

A magnitude 1.6 earthquake struck 26 km WSW of Susitna, Alaska on Thu, Oct 14, 2021, 5:09 PM AKDT (01:09 UTC), 69 km (43 mi) below the surface.

A larger quake followed: M2.0 3 km NNW of Point MacKenzie, 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
2021-10-15 01:09:08 UTC
Depth
69.4 km (43.1 mi), shallow
Epicenter
61.486° N, 150.998° 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
58

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 ak021d8bfbzl. Read Thu, Sep 24, 2026, 4:44 AM UTC.