M4.5 earthquake 102 km WSW of Adak, Alaska
A magnitude 4.5 earthquake struck 102 km WSW of Adak, Alaska on Sat, Nov 29, 1980, 3:31 AM GMT-11 (14:31 UTC), 73 km (45 mi) below the surface.
A larger quake followed: M4.7 172 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1980-11-29 14:31:30 UTC
- Depth
- 73.0 km (45.4 mi), intermediate-depth
- Epicenter
- 51.674° N, 178.080° 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
- 23
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001b31. Read Thu, Oct 1, 2026, 1:22 PM UTC.