VolcanoYT

Disaster Monitoring

Earthquake 4 km SE of San Ramon, CA

Wed, 04 Feb 2026 06:10:07 GMT

Time8 hours ago
Location
37.7593, -121.9423
Depth
8.4 KM

Event Summary

A 1.9 magnitude earthquake struck on 4 km SE of San Ramon, CA, at Wed, 04 Feb 2026 06:10:07 GMT. Depth: 8.4399995803833km. Reviewed by USGS seismologists, this minor quake occurred at a magnitude type of md.

Magnitude
1.9
md
Map of 4 km SE of San Ramon, CA
Source
USGS
Intensity
-

Agency Reports

1 Sources
SourceMagnitudeDepthTime
USGSPrimary1.98 km8 hours ago

Earthquake Details

Automatic
Event IDusgs_nc75308147
Tsunami PotentialNo
Magnitude Typemd

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