M3.7 earthquake 54 km WNW of Cantwell, Alaska
A magnitude 3.7 earthquake struck 54 km WNW of Cantwell, Alaska on Sun, Oct 25, 1981, 11:26 PM GMT-10 (09:26 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M3.9 11 km W of Clear, Alaska, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.7 (ml), minor
- Local time
- UTC
- 1981-10-26 09:26:00 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 63.550° N, 149.991° 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.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.911 km W of Clear, Alaska, Alaska · 16388 days ago · 33 km deep · 84 km away
- 2.711 km ESE of Ferry, Alaska · 16343 days ago · 33 km deep · 74 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001gp9. Read Tue, Sep 22, 2026, 6:29 AM UTC.