USGSSeptember 17, 2026
M4.1 earthquake, 173 km W of Nikolski, Alaska
A magnitude 4.1 earthquake was recorded 173 km W of Nikolski, Alaska at a depth of 97 km, according to the U.S. Geological Survey. It was the 9,103rd 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.
M4.1
The notice
- Issued by
- U.S. Geological Survey
- Area
- 173 km W of Nikolski, Alaska
- State
- Alaska
- Magnitude
- 4.1 (body-wave magnitude)
- Depth
- 97.2 km
- Time
- 2026-09-17 14:39:42 UTC
- Status
- reviewed by a seismologist
- Epicentre
- 52.826, -171.429
- 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.