A minor, 3.9-magnitude earthquake struck in the San Francisco Bay Area on Monday ... U.S.G.S. scientists to update the shake-severity map. An aftershock is usually a smaller earthquake that ...

San Francisco rests on the tip of a peninsula along the northern California coast; it's flanked by the San Francisco Bay to the east and the Pacific Ocean to the west. The city is actually much ...

Waymo’s June 2025 expansion in Silicon Valley is seen in light blue.