USGS initially estimated more than 150,000 people might have been exposed to earthquake shaking, between just north of Fort Bragg to Eureka. One USA TODAY reporter in San Francisco did not feel its impacts, but another resident right on the San Francisco Bay said it was the longest earthquake she'd ever felt.

Around 90 small earthquakes have struck near San Ramon in the East Bay this month. It’s at least the sixth time a series of tiny quakes has lit up that area since 1970, including the most recent swarm back in 2015. Although smaller earthquakes can ...