M4.9 earthquake 58 km ENE of Noatak, Alaska
A magnitude 4.9 earthquake struck 58 km ENE of Noatak, Alaska on Fri, Jul 3, 1981, 9:45 PM GMT-10 (07:45 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.2 76 km E of Noatak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (ms), light
- Local time
- UTC
- 1981-07-04 07:45:02 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 67.712° N, 161.642° 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.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 13 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.797 km E of Red Dog Mine, Alaska · 16515 days ago · 33 km deep · 52 km away
- 3.673 km E of Noatak, Alaska · 16513 days ago · 33 km deep · 18 km away
- 4.669 km ESE of Red Dog Mine, Alaska · 16513 days ago · 33 km deep · 12 km away
- 5.276 km E of Noatak, Alaska · 16509 days ago · 33 km deep · 19 km away
- 3.560 km ENE of Noatak, Alaska · 16509 days ago · 33 km deep · 5 km away
- 4.047 km ESE of Red Dog Mine, Alaska · 16509 days ago · 33 km deep · 28 km away
- 3.3northern Alaska · 16508 days ago · 33 km deep · 22 km away
- 4.8northern Alaska · 16508 days ago · 33 km deep · 8 km away
- 4.966 km ESE of Red Dog Mine, Alaska · 16508 days ago · 12 km deep · 12 km away
- 3.956 km E of Red Dog Mine, Alaska · 16507 days ago · 33 km deep · 28 km away
- 4.576 km ESE of Red Dog Mine, Alaska · 16505 days ago · 33 km deep · 23 km away
- 4.162 km ESE of Red Dog Mine, Alaska · 16495 days ago · 33 km deep · 9 km away
- 3.263 km ESE of Red Dog Mine, Alaska · 16487 days ago · 33 km deep · 9 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001egv. Read Tue, Sep 22, 2026, 8:37 PM UTC.