Observed earthquake
9 km NE of Castle Rock, Washington
Recent observationReported by 1 agency. Every solution below is that agency's own measurement, stored unaltered.
Magnitude
2.0ml
Depth
7.3 km
shallow
Origin time
2026-10-08 23:32:20 UTC
27 d ago
Epicentre
46.34°N, 122.82°W
Agency solutions
The same earthquake as measured independently by each agency. Values are never averaged or rewritten.
| Agency | Magnitude | Depth | Origin time | Epicentre | Review status | Source record |
|---|---|---|---|---|---|---|
| USGSUnited States Geological Survey | M1.6 ml | -0.5 km | 2026-10-08 23:32:20 UTC | 46.35°N, 122.83°W | Reviewed by an analyst43 stations | uw714118181 ↗ |
Source: Earthquake data courtesy of the U.S. Geological Survey. · Retrieved: 2026-10-08 23:38:16 UTC