USGSSeptember 19, 2026
M4.0 earthquake, 166 km SW of Nikolski, Alaska
A magnitude 4.0 earthquake was recorded 166 km SW of Nikolski, Alaska at a depth of 19 km, according to the U.S. Geological Survey. It was the 9,179th 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
- 166 km SW of Nikolski, Alaska
- State
- Alaska
- Magnitude
- 4.0 (local magnitude)
- Depth
- 18.5 km
- Time
- 2026-09-19 08:47:51 UTC
- Status
- reviewed by a seismologist
- Epicentre
- 52.026, -170.799
- 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.