M4.0 earthquake 90 km NW of Karluk, Alaska
A magnitude 4.0 earthquake struck 90 km NW of Karluk, Alaska on Mon, May 31, 1982, 2:19 AM GMT-9 (11:19 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.3 56 km E of King Salmon, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (ml), light
- Local time
- UTC
- 1982-05-31 11:19:04 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 58.203° N, 155.404° 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: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001mkz. Read Tue, Sep 22, 2026, 9:08 AM UTC.