M4.9 earthquake 124 km SW of Nikolski, Alaska
A magnitude 4.9 earthquake struck 124 km SW of Nikolski, Alaska on Mon, Mar 14, 1983, 10:14 AM GMT-11 (21:14 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1983-03-14 21:14:53 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 52.112° N, 170.091° 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
Nearby
Within 100 km, magnitude 1.9 and up: 1 in the 60 days after this one and 2 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 usp0001tnd. Read Tue, Sep 22, 2026, 9:00 PM UTC.