USGSOctober 31, 2026
M4.5 earthquake, 111 km ESE of Atka, Alaska
A magnitude 4.5 earthquake was recorded 111 km ESE of Atka, Alaska at a depth of 45 km, according to the U.S. Geological Survey. It was the 10,542nd 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.
M4.5
The notice
- Issued by
- U.S. Geological Survey
- Area
- 111 km ESE of Atka, Alaska
- State
- Alaska
- Magnitude
- 4.5 (body-wave magnitude)
- Depth
- 44.9 km
- Time
- 2026-10-31 18:51:02 UTC
- Status
- reviewed by a seismologist
- Epicentre
- 51.699, -172.793
- 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.