M3.0 earthquake 36 km NNE of Whittier, Alaska
A magnitude 3.0 earthquake struck 36 km NNE of Whittier, Alaska on Thu, Mar 22, 1973, 11:19 PM GMT-10 (09:19 UTC), 30 km (19 mi) below the surface.
A larger quake followed: M3.8 8 km ESE of Elmendorf Air Force Base, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.0 (ml), minor
- Local time
- UTC
- 1973-03-23 09:19:48 UTC
- Depth
- 30.0 km (18.6 mi), shallow
- Epicenter
- 61.075° N, 148.441° 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: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000011f. Read Wed, Sep 30, 2026, 6:56 PM UTC.