M4.5 earthquake 127 km S of Unalaska, Alaska
A magnitude 4.5 earthquake struck 127 km S of Unalaska, Alaska on Wed, Nov 2, 1983, 3:36 PM GMT-9 (00:36 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
- 4.5 (mb), light
- Local time
- UTC
- 1983-11-03 00:36:20 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 52.730° N, 166.587° 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: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001zh0. Read Thu, Oct 1, 2026, 1:10 AM UTC.