USGSNovember 5, 2026
M3.9 earthquake, 68 km S of Unalaska, Alaska
A magnitude 3.9 earthquake was recorded 68 km S of Unalaska, Alaska at a depth of 41 km, according to the U.S. Geological Survey. It was the 10,663rd earthquake of magnitude 2.5 or more the USGS located in and near the U.S. in 2026, against 12,608 a year on average in 2016-2025.
M3.9
The notice
- Issued by
- U.S. Geological Survey
- Area
- 68 km S of Unalaska, Alaska
- State
- Alaska
- Magnitude
- 3.9 (body-wave magnitude)
- Depth
- 40.6 km
- Time
- 2026-11-05 08:32:02 UTC
- Status
- reviewed by a seismologist
- Epicentre
- 53.263, -166.499
- Official source
- U.S. Geological Survey: the notice at its source
Warnings and earthquakes in AlaskaEarthquakes, November 2026
Source: U.S. Geological Survey: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.