VolcanoYT

Disaster Monitoring

Earthquake 6 km SSE of Portola Valley, CA

Sun, 31 May 2026 08:22:38 GMT

Time4 days ago
Location
37.3340, -122.2183
Depth
8.7 KM

Event Summary

A 1.0 magnitude earthquake struck on 6 km SSE of Portola Valley, CA, at Sun, 31 May 2026 08:22:38 GMT. Depth: 8.72999954223633km. Reviewed by USGS seismologists, this minor quake occurred at a magnitude type of md.

Magnitude
1.0
md
Map of 6 km SSE of Portola Valley, CA
Source
USGS
Intensity
-

Agency Reports

1 Sources
SourceMagnitudeDepthTime
USGSPrimary1.09 km4 days ago

Earthquake Details

Automatic
Event IDusgs_nc75368656
QualityS
Tsunami PotentialNo
Magnitude Typemd
Last Update4 days ago
Used Stations6

Felt Reports0

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