M3.8 earthquake 7 km W of Willow, Alaska
A magnitude 3.8 earthquake struck 7 km W of Willow, Alaska on Thu, Feb 8, 1973, 5:00 AM GMT-10 (15:00 UTC), 54 km (34 mi) below the surface.
A larger quake followed: M4.3 31 km NE of Skwentna, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.8 (mb), minor
- Local time
- UTC
- 1973-02-08 15:00:48 UTC
- Depth
- 54.0 km (33.6 mi), shallow
- Epicenter
- 61.759° N, 150.177° 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
- 22
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.618 km NNE of Skwentna, Alaska · 19590 days ago · 95 km deep · 68 km away
- 3.017 km S of Petersville, Alaska · 19590 days ago · 34 km deep · 70 km away
- 3.117 km WSW of Susitna, Alaska · 19576 days ago · 64 km deep · 46 km away
- 4.331 km NE of Skwentna, Alaska · 19555 days ago · 72 km deep · 69 km away
- 3.88 km ESE of Elmendorf Air Force Base, Alaska · 19534 days ago · 39 km deep · 69 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00000f4. Read Tue, Sep 29, 2026, 9:50 AM UTC.