M4.2 earthquake 53 km W of Adak, AK
A magnitude 4.2 earthquake struck 53 km W of Adak, AK on Fri, Oct 15, 1982, 9:31 AM GMT-10 (19:31 UTC), 89 km (55 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb), light
- Local time
- UTC
- 1982-10-15 19:31:29 UTC
- Depth
- 88.6 km (55.1 mi), intermediate-depth
- Epicenter
- 51.873° N, 177.404° 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: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001q91. Read Tue, Sep 22, 2026, 10:24 PM UTC.