M3.9 earthquake 27 km W of Cantwell, Alaska
A magnitude 3.9 earthquake struck 27 km W of Cantwell, Alaska on Tue, Apr 24, 1979, 2:27 PM GMT-10 (00:27 UTC), 119 km (74 mi) below the surface.
A larger quake followed: M4.6 59 km SE 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
- 3.9 (mb), minor
- Local time
- UTC
- 1979-04-25 00:27:57 UTC
- Depth
- 119.0 km (73.9 mi), intermediate-depth
- Epicenter
- 63.351° N, 149.495° 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
- 29
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 2 in the 30 days before it.
After
- 4.659 km SE of Cantwell, Alaska · 17308 days ago · 77 km deep · 76 km away
- 3.062 km SSE of Denali National Park, Alaska · 17285 days ago · 33 km deep · 89 km away
- 3.166 km E of Denali National Park, Alaska · 17278 days ago · 33 km deep · 47 km away
- 3.041 km S of Cantwell, Alaska · 17273 days ago · 33 km deep · 50 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001093. Read Tue, Sep 22, 2026, 8:38 PM UTC.