M4.5 earthquake 101 km S of Sand Point, Alaska
A magnitude 4.5 earthquake struck 101 km S of Sand Point, Alaska on Sun, Jan 11, 1981, 2:39 PM GMT-10 (00:39 UTC), 20 km (12 mi) below the surface.
A larger quake followed: M4.8 39 km ESE of Sand Point, 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
- 1981-01-12 00:39:29 UTC
- Depth
- 20.0 km (12.4 mi), shallow
- Epicenter
- 54.440° N, 160.253° 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
- 10
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 usp0001bpe. Read Tue, Sep 22, 2026, 9:07 AM UTC.