First published · Last updated
M 3.9 earthquake - 166 km WSW of Nikolski, Alaska
USGS reports a magnitude 3.9 earthquake located 166 km WSW of Nikolski, Alaska. Coordinates provided: 52.2461, -171.0441. Depth: 129.468 km. (Source published 2026-09-22T00:44:43.637Z.)
Categories: severe-weather-and-natural-disasters
Generated scores
Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.
- Confidence
- 8/10
- Geographic reach
- 2/10
- Global importance
- 2/10
- Impact magnitude
- 2/10
- Positivity
- 2/10
- Urgency
- 2/10
Why it matters
This is a USGS-recorded seismic event with magnitude, location, coordinates, and depth supplied — relevant for local seismic monitoring and records of seismicity near Nikolski, Alaska.

