Event Brief
Swarm of earthquakes strike San Ramon, jolting residents
Filed: Feb 02, 2026 at 12:00 PM ET
Summary: At least 20 earthquakes hit San Ramon Monday morning, waking residents across the Bay Area.
WHO: Residents of San Ramon and surrounding Bay Area
WHAT: A series of at least 20 earthquakes, including a 4.2 magnitude quake
WHEN: Feb 02, 2026 at 9:39 AM ET
WHERE: San Francisco, CA
WHY: To inform the public about seismic activity affecting the region
ℹ️ This event is analyzed using pattern arcs, velocity indicators, and source analysis in our MI Console.
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