Alaska earthquakes

M3.3 earthquake 12 km N of Cantwell, Alaska

A magnitude 3.3 earthquake struck 12 km N of Cantwell, Alaska on Sun, Dec 28, 1975, 2:36 PM GMT-10 (00:36 UTC), 104 km (65 mi) below the surface.

Healy forecastMore in Alaska

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The earthquake

Magnitude
3.3 (ml), minor
Local time
UTC
1975-12-29 00:36:18 UTC
Depth
104.0 km (64.6 mi), intermediate-depth
Epicenter
63.502° N, 148.984° 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
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.

None recorded.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000e4u. Read Tue, Sep 22, 2026, 11:00 AM UTC.