M4.8 earthquake 168 km WSW of Adak, Alaska
A magnitude 4.8 earthquake struck 168 km WSW of Adak, Alaska on Wed, Jun 22, 1983, 3:45 PM GMT-10 (01:45 UTC), 58 km (36 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
- 1983-06-23 01:45:06 UTC
- Depth
- 57.8 km (35.9 mi), shallow
- Epicenter
- 51.291° N, 178.881° 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: 1 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 usp0001wa4. Read Tue, Sep 22, 2026, 10:16 AM UTC.