Updated April 18, 2024 at 11:15 a.m. An earthquake hit San Francisco and its surrounding areas in California this day in 1906. The earthquake, which was caused by the movement of tectonic plates along the San Andreas Fault, was one of the most powerful in American history. Get This Happened straight to your inbox ✉️ each day! Sign up here. How many people were killed in the 1906 San Francisco earthquake?The 1906 San Francisco earthquake and fire caused widespread devastation and loss of life. More than 3,000 people were killed, and thousands more were injured. The earthquake also caused extens…