M4.8 earthquake 82 km ESE of Adak, Alaska
A magnitude 4.8 earthquake struck 82 km ESE of Adak, Alaska on Tue, Nov 22, 1983, 2:02 PM GMT-10 (00:02 UTC), 62 km (38 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1983-11-23 00:02:26 UTC
- Depth
- 61.5 km (38.2 mi), shallow
- Epicenter
- 51.631° N, 175.511° 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.
Nearby
Within 100 km, magnitude 1.8 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.958 km S of Adak, Alaska · 15630 days ago · 33 km deep · 93 km away
- 4.416 km ENE of Adak, Alaska · 15599 days ago · 57 km deep · 68 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002000. Read Tue, Sep 22, 2026, 4:15 AM UTC.