M4.6 earthquake 125 km WSW of Adak, Alaska
A magnitude 4.6 earthquake struck 125 km WSW of Adak, Alaska on Sat, Jan 16, 1982, 4:58 AM GMT-11 (15:58 UTC), 55 km (34 mi) below the surface.
A larger quake followed: M5.2 121 km WSW of Adak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1982-01-16 15:58:53 UTC
- Depth
- 55.3 km (34.4 mi), shallow
- Epicenter
- 51.386° N, 178.272° 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 1.6 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.6101 km WSW of Adak, Alaska · 16305 days ago · 29 km deep · 28 km away
- 5.2121 km WSW of Adak, Alaska · 16277 days ago · 55 km deep · 19 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001j2f. Read Tue, Sep 22, 2026, 6:10 PM UTC.