USGSSeptember 19, 2026
M4.0 earthquake, 85 km SSW of Nikolski, Alaska
A magnitude 4.0 earthquake was recorded 85 km SSW of Nikolski, Alaska at a depth of 38 km, according to the U.S. Geological Survey. It was the 9,183rd 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
- 85 km SSW of Nikolski, Alaska
- State
- Alaska
- Magnitude
- 4.0 (body-wave magnitude)
- Depth
- 37.6 km
- Time
- 2026-09-19 12:44:03 UTC
- Status
- reviewed by a seismologist
- Epicentre
- 52.263, -169.452
- 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.