USGSSeptember 18, 2026
M3.8 earthquake, 171 km WSW of Nikolski, Alaska
A magnitude 3.8 earthquake was recorded 171 km WSW of Nikolski, Alaska at a depth of 105 km, according to the U.S. Geological Survey. It was the 9,131st 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.
M3.8
The notice
- Issued by
- U.S. Geological Survey
- Area
- 171 km WSW of Nikolski, Alaska
- State
- Alaska
- Magnitude
- 3.8 (body-wave magnitude)
- Depth
- 105.4 km
- Time
- 2026-09-18 05:43:46 UTC
- Status
- reviewed by a seismologist
- Epicentre
- 52.157, -171.042
- 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.