USGSSeptember 3, 2026
M5.5 earthquake, 100 km S of Nikolski, Alaska
A magnitude 5.5 earthquake was recorded 100 km S of Nikolski, Alaska at a depth of 10 km, according to the U.S. Geological Survey. It was the 8,562nd 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.
M5.5
The notice
- Issued by
- U.S. Geological Survey
- Area
- 100 km S of Nikolski, Alaska
- State
- Alaska
- Magnitude
- 5.5 (moment magnitude)
- Depth
- 10.0 km
- Time
- 2026-09-03 20:21:15 UTC
- Status
- reviewed by a seismologist
- Epicentre
- 52.051, -169.139
- Official source
- U.S. Geological Survey: the notice at its source
Warnings and earthquakes in AlaskaEarthquakes, September 2026
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.