VolcanoYT

Disaster Monitoring

Earthquake 4 km SE of San Ramon, CA

Sat, 20 Dec 2025 13:37:12 GMT

Time5 hours ago
Location
37.7523, -121.9482
Depth
7.8 KM

Event Summary

A 1.3 magnitude earthquake struck on 4 km SE of San Ramon, CA, at Sat, 20 Dec 2025 13:37:12 GMT. Depth: 7.80000019073486km. Reviewed by USGS seismologists, this minor quake occurred at a magnitude type of md.

Magnitude
1.3
md
Map of 4 km SE of San Ramon, CA
Source
USGS
Intensity
-

Earthquake Details

Automatic
Event IDusgs_nc75283396
Tsunami PotentialNo
Magnitude Typemd

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