M5.1 earthquake 233 km SE of Atka, Alaska
A magnitude 5.1 earthquake struck 233 km SE of Atka, Alaska on Sun, Feb 15, 1981, 2:06 AM GMT-11 (13:06 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mb), moderate
- Local time
- UTC
- 1981-02-15 13:06:24 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 50.982° N, 171.454° 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
- OPERATOR_ASSIGNED
Nearby
Within 100 km, magnitude 2.1 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 usp0001c6t. Read Tue, Sep 22, 2026, 3:20 PM UTC.