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A powerful earthquake registering 4.6 magnitude struck the Santa Cruz Mountains at 1:41 AM Thursday, jolting Bay Area residents from Boulder Creek epicenter to San Francisco, Oakland, and Petaluma with rolling tremors that toppled bookshelves, panicked pets, and shattered dishes—USGS alerts via MyShake app provided timely warnings in this high-hazard zone near 1989 Loma Prieta’s deadly…

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Most people in the San Francisco Bay Area were still sleeping early Monday when the ground started to shake. A strong earthquake woke them up. The United States Geological Survey (USGS) said the earthquake was a 4.3 on the Richter scale. It started near Berkeley. People in Berkeley, San Francisco, and other cities nearby…