M3.3 earthquake 72 km NNE of Chickaloon, Alaska
A magnitude 3.3 earthquake struck 72 km NNE of Chickaloon, Alaska on Mon, May 30, 1983, 12:55 AM GMT-9 (09:55 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.0 71 km WNW of Lake Louise, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.3 (ml), minor
- Local time
- UTC
- 1983-05-30 09:55:31 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 62.435° N, 148.184° 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: 3 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 usp0001vt5. Read Tue, Sep 22, 2026, 7:24 AM UTC.