VolcanoYT

Disaster Monitoring

Earthquake 4 km SE of San Ramon, CA

Tue, 03 Feb 2026 03:49:46 GMT

Time1 hour ago
Location
37.7575, -121.9498
Depth
1.2 KM

Event Summary

A 3.4 magnitude earthquake struck on 4 km SE of San Ramon, CA, at Tue, 03 Feb 2026 03:49:46 GMT. Depth: 1.16999995708466km. Reviewed by USGS seismologists, this minor quake occurred at a magnitude type of md.

Magnitude
3.4
md
Map of 4 km SE of San Ramon, CA
Source
USGS
Intensity
-

Agency Reports

3 Sources
SourceMagnitudeDepthTime
USGSPrimary3.49 km1 hour ago
NC3.49 km1 hour ago
NEIC3.39 km1 hour ago

Earthquake Details

Automatic
Event IDusgs_nc75306441
Tsunami PotentialNo
Magnitude Typemd

Comments

Join the discussion about this event.