By Jackson LeeJune 23, 2025 News The Epic 1906 San Francisco Earthquake: A Historic Catastrophe Rewritten title: The Devastating 1906 San Francisco Earthquake: A Landmark Tragedy in HistoryThe Great 1906 San Francisco Earthquake, documented by USGS, struck with a magnitude of 7.9, devastating the city and sparking widespread fires. It remains one of the most catastrophic natural disasters in U.S. history.