USGSSeptember 10, 2026
M4.0 earthquake, Rat Islands, Aleutian Islands, Alaska
A magnitude 4.0 earthquake was recorded in Rat Islands, Aleutian Islands, Alaska at a depth of 100 km, according to the U.S. Geological Survey. It was the 8,875th 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.
M4.0
The notice
- Issued by
- U.S. Geological Survey
- Area
- Rat Islands, Aleutian Islands, Alaska
- State
- Alaska
- Magnitude
- 4.0 (body-wave magnitude)
- Depth
- 100.1 km
- Time
- 2026-09-10 21:14:01 UTC
- Status
- reviewed by a seismologist
- Epicentre
- 51.679, 178.583
- 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.