M3.1 earthquake 54 km SSW of Cantwell, Alaska
A magnitude 3.1 earthquake struck 54 km SSW of Cantwell, Alaska on Sat, Feb 28, 1976, 10:10 AM GMT-10 (20:10 UTC), 9 km (6 mi) below the surface.
A larger quake followed: M3.9 18 km NE of Cantwell, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.1 (ml), minor
- Local time
- UTC
- 1976-02-28 20:10:44 UTC
- Depth
- 9.0 km (5.6 mi), shallow
- Epicenter
- 62.969° N, 149.483° 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
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 0 in the 30 days before it.
After
- 3.918 km NE of Cantwell, Alaska · 18455 days ago · 22 km deep · 72 km away
- 3.161 km W of Cantwell, Alaska · 18452 days ago · 33 km deep · 61 km away
- 3.049 km ENE of Susitna North, Alaska · 18450 days ago · 31 km deep · 71 km away
- 3.119 km S of Trapper Creek, Alaska · 18423 days ago · 33 km deep · 100 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000f8t. Read Tue, Sep 22, 2026, 9:42 AM UTC.