M3.9 earthquake 43 km NW of Atka, Alaska, 225 km deep
A magnitude 3.9 deep earthquake struck 43 km NW of Atka, Alaska on 22 September 2026 at 08:32 UTC, 225 km below the surface. Where it was, how deep, and what else shook nearby, on a live map.
The facts
- Magnitude
- 3.9 mb
- Depth
- 225 km (deep)
- Origin time
- 2026-09-22 08:32 UTC
- Felt radius
- about 88 km
- Location
- 52.478, -174.633
Source
USGS Earthquake Hazards Program · data time 2026-09-22 08:32 UTC. This page was built from the feed on 2026-10-22 08:04 UTC; the live map shows it as it is now.
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