M3.9 earthquake 98 km SE of Sand Point, Alaska
A magnitude 3.9 earthquake struck 98 km SE of Sand Point, Alaska on Thu, Jan 20, 1983, 4:10 AM GMT-10 (14:10 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M6.5 94 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
- 3.9 (ml), minor
- Local time
- UTC
- 1983-01-20 14:10:09 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 54.684° N, 159.460° 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 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 6.594 km ESE of Sand Point, Alaska · 15935 days ago · 47 km deep · 32 km away
- 5.990 km ESE of Sand Point, Alaska · 15935 days ago · 33 km deep · 35 km away
- 4.591 km S of Perryville, Alaska · 15933 days ago · 33 km deep · 51 km away
- 4.894 km S of Perryville, Alaska · 15921 days ago · 33 km deep · 52 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001se7. Read Thu, Oct 1, 2026, 1:11 AM UTC.