M4.1 earthquake 82 km E of Adak, Alaska
A magnitude 4.1 earthquake struck 82 km E of Adak, Alaska on Thu, Jan 1, 1976, 9:55 AM GMT-11 (20:55 UTC), 43 km (27 mi) below the surface.
A larger quake followed: M5.0 22 km SW of Adak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb), light
- Local time
- UTC
- 1976-01-01 20:55:02 UTC
- Depth
- 43.0 km (26.7 mi), shallow
- Epicenter
- 51.839° N, 175.434° 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
- 10
Nearby
Within 100 km, magnitude 1.5 and up: 2 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 usp0000e83. Read Tue, Sep 22, 2026, 5:14 AM UTC.