Earthquake swarm centered near San Ramon shakes Bay Area
A swarm of earthquakes shook the East Bay on Monday morning.
The earthquakes are all centered in the San Ramon area, with the first one – registering a 3.8-magnitude, according to the USGS – hitting just before 6:30 a.m.
More than a dozen earthquakes have struck that same general area over the past couple of hours, all registering between a magnitude of 2.5 to 4.2.
Notable quake, preliminary info: M 3.9 - 4 km SE of San Ramon, CA https://t.co/dB9adLJpHj
— USGS Earthquakes (@USGS_Quakes) February 2, 2026
According to the shake map, the quakes could be felt across the Bay Area and into the Central Valley.
No damage has been reported at this time, but BART trains are running at reduced speeds as the agency works to complete track safety inspections.
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