M3.8 earthquake 20 km E of Castle Rock, Washington, 18 km deep
A magnitude 3.8 shallow earthquake struck 20 km E of Castle Rock, Washington on 5 September 2026 at 11:09 UTC, 18 km below the surface. Where it was, how deep, and what else shook nearby, on a live map.
The facts
- Magnitude
- 3.8 ml
- Depth
- 18 km (shallow)
- Origin time
- 2026-09-05 11:09 UTC
- Felt radius
- about 73 km
- Location
- 46.246, -122.642
- Reports
- 1,025 people said they felt it
Source
USGS Earthquake Hazards Program · data time 2026-09-05 11:09 UTC. This page was built from the feed on 2026-10-05 11:05 UTC; the live map shows it as it is now.
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