M5.0 earthquake 52 km S of Kokhanok, Alaska
A magnitude 5.0 earthquake struck 52 km S of Kokhanok, Alaska on Sat, Mar 21, 1981, 1:01 PM GMT-10 (23:01 UTC), 136 km (85 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.0 (mb), moderate
- Local time
- UTC
- 1981-03-21 23:01:37 UTC
- Depth
- 136.0 km (84.5 mi), intermediate-depth
- Epicenter
- 58.970° N, 154.697° 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
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.0 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 usp0001ctq. Read Tue, Sep 22, 2026, 8:42 PM UTC.