M4.1 earthquake 91 km SE of Ugashik, Alaska
A magnitude 4.1 earthquake struck 91 km SE of Ugashik, Alaska on Thu, Sep 9, 1982, 1:19 AM GMT-9 (10:19 UTC), 90 km (56 mi) below the surface.
A larger quake followed: M4.8 100 km SSE of Ugashik, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb), light
- Local time
- UTC
- 1982-09-09 10:19:55 UTC
- Depth
- 90.3 km (56.1 mi), intermediate-depth
- Epicenter
- 57.048° N, 156.146° 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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
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 usp0001pg1. Read Tue, Sep 22, 2026, 5:49 AM UTC.