M4.5 earthquake 293 km WSW of Adak, Alaska
A magnitude 4.5 earthquake struck 293 km WSW of Adak, Alaska on Sat, Feb 6, 1982, 1:43 PM GMT+12 (01:43 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.1 Rat Islands, Aleutian Islands, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1982-02-06 01:43:12 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.049° N, 179.347° E
- 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 1.5 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.1Rat Islands, Aleutian Islands, Alaska · 16299 days ago · 43 km deep · 27 km away
- 4.5Rat Islands, Aleutian Islands, Alaska · 16260 days ago · 43 km deep · 71 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001jgm. Read Tue, Sep 22, 2026, 11:32 PM UTC.