Overview

• The earthquake struck at 7:46 p.m. on March 17, 2025, with an epicenter 3 miles west of Dublin and a depth of 7.3 miles.
• Initially reported as a magnitude 4.2 quake, it was later revised to 3.9 by the U.S. Geological Survey.
• Reports of weak to moderate shaking came from across the Bay Area, including San Francisco, Fremont, and Richmond.
• The ShakeAlert early warning system was activated but did not send alerts to phones, as the quake's magnitude was below the 4.5 threshold.
• BART completed track inspections after the quake, causing minor delays, while discussions continue about the region's seismic risks near the Calaveras Fault.