M4.5 earthquake 52 km SSE of Adak, Alaska
A magnitude 4.5 earthquake struck 52 km SSE of Adak, Alaska on Sun, Jan 4, 1981, 6:34 AM GMT-11 (17:34 UTC), 50 km (31 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1981-01-04 17:34:36 UTC
- Depth
- 50.0 km (31.1 mi), shallow
- Epicenter
- 51.453° N, 176.277° 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
- 12
Nearby
Within 100 km, magnitude 1.5 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 usp0001bkp. Read Tue, Sep 22, 2026, 2:53 PM UTC.