USGSSeptember 12, 2026
M3.3 earthquake, 145 km WSW of Adak, Alaska
A magnitude 3.3 earthquake was recorded 145 km WSW of Adak, Alaska at a depth of 35 km, according to the U.S. Geological Survey. It was the 8,935th 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.
M3.3
The notice
- Issued by
- U.S. Geological Survey
- Area
- 145 km WSW of Adak, Alaska
- State
- Alaska
- Magnitude
- 3.3 (local magnitude)
- Depth
- 35.0 km
- Time
- 2026-09-12 03:43:24 UTC
- Status
- reviewed by a seismologist
- Epicentre
- 51.206, -178.431
- Official source
- U.S. Geological Survey: the notice at its source
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.