M4.3 earthquake 66 km WSW of Karluk, Alaska
A magnitude 4.3 earthquake struck 66 km WSW of Karluk, Alaska on Fri, Feb 1, 1980, 7:08 PM GMT-10 (05:08 UTC), 66 km (41 mi) below the surface.
A larger quake followed: M4.6 53 km SE of Ugashik, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 1980-02-02 05:08:14 UTC
- Depth
- 66.0 km (41.0 mi), shallow
- Epicenter
- 57.270° N, 155.413° 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
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 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 usp000159t. Read Tue, Sep 22, 2026, 11:19 AM UTC.