Alaska earthquakes

M3.6 earthquake 21 km NNW of Sutton-Alpine, Alaska

A magnitude 3.6 earthquake struck 21 km NNW of Sutton-Alpine, Alaska on Wed, Apr 29, 1981, 4:11 PM GMT-9 (01:11 UTC), 52 km (32 mi) below the surface.

A larger quake followed: M4.4 5 km NW of Meadow Lakes, Alaska. This one was a foreshock.

Sutton-Alpine forecastMore in Alaska

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The earthquake

Magnitude
3.6 (mb), minor
Local time
UTC
1981-04-30 01:11:38 UTC
Depth
51.6 km (32.1 mi), shallow
Epicenter
61.957° N, 148.913° 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.

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 4.45 km NW of Meadow Lakes, Alaska · 16575 days ago · 64 km deep · 51 km away

Before

  1. 3.537 km E of Knik River, Alaska · 16603 days ago · 24 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001df2. Read Mon, Sep 21, 2026, 7:38 PM UTC.