M4.5 earthquake 168 km WSW of Adak, Alaska
A magnitude 4.5 earthquake struck 168 km WSW of Adak, Alaska on Thu, Jan 8, 1976, 8:56 PM GMT-11 (07:56 UTC), 52 km (32 mi) below the surface.
A larger quake followed: M4.9 145 km WSW 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
- 4.5 (mb), light
- Local time
- UTC
- 1976-01-09 07:56:07 UTC
- Depth
- 52.0 km (32.3 mi), shallow
- Epicenter
- 51.401° N, 178.945° 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: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.9145 km WSW of Adak, Alaska · 18485 days ago · 39 km deep · 27 km away
- 4.8136 km WSW of Adak, Alaska · 18475 days ago · 32 km deep · 33 km away
- 4.3140 km WSW of Adak, Alaska · 18475 days ago · 30 km deep · 29 km away
- 4.7113 km WSW of Adak, Alaska · 18466 days ago · 54 km deep · 64 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000eca. Read Mon, Sep 28, 2026, 1:19 AM UTC.