VolcanoYT

Disaster Monitoring

Earthquake 20 km E of Castle Rock, Washington

Sun, 27 Sep 2026 21:15:13 GMT

Time2 days ago
Location
46.2413, -122.6457
Depth
16.3 KM

Event Summary

A 1.5 magnitude earthquake struck on 20 km E of Castle Rock, Washington, at Sun, 27 Sep 2026 21:15:13 GMT. Depth: 16.2900009155273km. Reviewed by USGS seismologists, this minor quake occurred at a magnitude type of ml.

Magnitude
1.5
ml
Map of 20 km E of Castle Rock, Washington
Source
USGS
Intensity
-

Agency Reports

1 Sources
SourceMagnitudeDepthTime
USGSPrimary1.516 km
2 days ago

Earthquake Details

Automatic
Event IDusgs_uw714110532
QualityS
Tsunami PotentialNo
Magnitude Typeml
Last Update2 days ago
Used Stations44

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