USGSOctober 23, 2026
M4.6 earthquake, 100 km NNW of Nikolski, Alaska
A magnitude 4.6 earthquake was recorded 100 km NNW of Nikolski, Alaska at a depth of 230 km, according to the U.S. Geological Survey. It was the 10,343rd 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.
M4.6
The notice
- Issued by
- U.S. Geological Survey
- Area
- 100 km NNW of Nikolski, Alaska
- State
- Alaska
- Magnitude
- 4.6 (body-wave magnitude)
- Depth
- 230.5 km
- Time
- 2026-10-23 23:08:25 UTC
- Status
- reviewed by a seismologist
- Epicentre
- 53.782, -169.413
- 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.