M3.4 earthquake 98 km NNW of Karluk, Alaska
A magnitude 3.4 earthquake struck 98 km NNW of Karluk, Alaska on Fri, Mar 21, 1980, 7:44 PM GMT-10 (05:44 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M4.0 79 km W of Karluk, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.4 (ml), minor
- Local time
- UTC
- 1980-03-22 05:44:32 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 58.421° N, 154.880° 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: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000164x. Read Tue, Sep 29, 2026, 8:40 AM UTC.