M4.3 earthquake 65 km W of Adak, Alaska
A magnitude 4.3 earthquake struck 65 km W of Adak, Alaska on Thu, May 6, 1982, 2:43 PM GMT-10 (00:43 UTC), 101 km (63 mi) below the surface.
A larger quake followed: M5.8 57 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
- 4.3 (mb), light
- Local time
- UTC
- 1982-05-07 00:43:38 UTC
- Depth
- 100.7 km (62.6 mi), intermediate-depth
- Epicenter
- 51.842° N, 177.577° 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 1.5 and up: 3 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 usp0001m4u. Read Tue, Sep 22, 2026, 8:40 AM UTC.