M3.3 earthquake 15 km SW of Eielson Air Force Base, Alaska
A magnitude 3.3 earthquake struck 15 km SW of Eielson Air Force Base, Alaska on Wed, Aug 22, 1973, 2:19 PM GMT-9 (23:19 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M3.5 12 km SSW of Badger, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.3 (ml), minor
- Local time
- UTC
- 1973-08-22 23:19:31 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 64.551° N, 147.244° 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
- Stations used
- 8
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
- 3.032 km SSW of South Van Horn, Alaska · 19394 days ago · 33 km deep · 40 km away
- 3.512 km SSW of Badger, Alaska · 19356 days ago · 10 km deep · 23 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000035t. Read Wed, Sep 30, 2026, 4:53 AM UTC.