Bay Area earthquakes: M4.7 south SF + prior M4.6 near Santa Cruz/Boulder Creek felt region-wide
Key Questions
What was the magnitude, time, and location of the recent Bay Area earthquake?
A magnitude 4.7 earthquake struck south of San Francisco at 5:24am today, causing light shaking felt region-wide. Multiple aftershocks have been reported across a 28-mile radius.
What details are available about the prior earthquake near Santa Cruz?
A magnitude 4.6 earthquake occurred near Boulder Creek/Santa Cruz and was felt across the Bay Area. It preceded the more recent M4.7 event south of San Francisco.
Has any damage been reported, and what should residents monitor?
No damage has been reported from the M4.7 quake or aftershocks. Residents should monitor for ongoing aftershocks and any potential infrastructure or transit impacts as the situation develops.
M4.7 quake south of SF at 5:24am today (light shaking, aftershocks over 28mi radius, no damage reported); prior M4.6 near Boulder Creek/Santa Cruz. Monitor aftershocks, infrastructure/transit impacts.
Sources (2)
Updated Apr 16, 2026