M4.4 earthquake 101 km ESE of Adak, Alaska
A magnitude 4.4 earthquake struck 101 km ESE of Adak, Alaska on Sun, Oct 19, 1980, 10:06 PM GMT-10 (08:06 UTC), 53 km (33 mi) below the surface.
A larger quake followed: M5.7 35 km ESE 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
- 4.4 (mb), light
- Local time
- UTC
- 1980-10-20 08:06:18 UTC
- Depth
- 53.0 km (32.9 mi), shallow
- Epicenter
- 51.559° N, 175.260° 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
- 9
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.951 km ESE of Adak, Alaska · 16777 days ago · 61 km deep · 49 km away
- 5.735 km ESE of Adak, Alaska · 16748 days ago · 53 km deep · 66 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001abb. Read Tue, Sep 29, 2026, 4:01 AM UTC.