M4.6 earthquake 105 km NNW of Atka, Alaska
A magnitude 4.6 earthquake struck 105 km NNW of Atka, Alaska on Sat, Mar 13, 1976, 7:45 PM GMT-11 (06:45 UTC), 222 km (138 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1976-03-14 06:45:21 UTC
- Depth
- 222.0 km (137.9 mi), intermediate-depth
- Epicenter
- 53.043° N, 174.899° 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
- 27
Nearby
Within 100 km, magnitude 1.6 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 usp0000fen. Read Tue, Sep 22, 2026, 9:39 AM UTC.