M4.7 earthquake 71 km NNE of Atka, Alaska
A magnitude 4.7 earthquake struck 71 km NNE of Atka, Alaska on Fri, Feb 13, 1981, 9:17 AM GMT-11 (20:17 UTC), 151 km (94 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1981-02-13 20:17:27 UTC
- Depth
- 150.6 km (93.6 mi), intermediate-depth
- Epicenter
- 52.821° N, 173.955° 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.
Nearby
Within 100 km, magnitude 1.7 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001c5r. Read Wed, Sep 23, 2026, 2:07 PM UTC.