M3.9 earthquake 96 km NNW of Karluk, Alaska
A magnitude 3.9 earthquake struck 96 km NNW of Karluk, Alaska on Mon, Feb 16, 1981, 12:00 AM GMT-10 (10:00 UTC), 89 km (55 mi) below the surface.
A larger quake followed: M5.0 52 km S of Kokhanok, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb), minor
- Local time
- UTC
- 1981-02-16 10:00:42 UTC
- Depth
- 88.6 km (55.1 mi), intermediate-depth
- Epicenter
- 58.397° N, 154.922° 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
- FROM_LOCATION
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 2 in the 30 days before it.
After
- 5.052 km S of Kokhanok, Alaska · 16621 days ago · 136 km deep · 65 km away
- 4.179 km NNW of Aleneva, Alaska · 16612 days ago · 69 km deep · 92 km away
- 4.448 km NW of Aleneva, Alaska · 16606 days ago · 76 km deep · 84 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001c7g. Read Tue, Sep 22, 2026, 7:45 PM UTC.