USGSSeptember 18, 2026
M3.6 earthquake, 109 km SE of Atka, Alaska
A magnitude 3.6 earthquake was recorded 109 km SE of Atka, Alaska at a depth of 35 km, according to the U.S. Geological Survey. It was the 9,137th 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.
M3.6
The notice
- Issued by
- U.S. Geological Survey
- Area
- 109 km SE of Atka, Alaska
- State
- Alaska
- Magnitude
- 3.6 (body-wave magnitude)
- Depth
- 35.0 km
- Time
- 2026-09-18 09:23:48 UTC
- Status
- reviewed by a seismologist
- Epicentre
- 51.461, -173.146
- 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.