In 1906, a significant earthquake struck San Francisco, California, on April 18. The quake, measuring 7.9 on the Richter scale, caused widespread destruction, leading to fires that burned for several days. It is estimated that over 3,000 people lost their lives, and around 80% of the city was damaged or destroyed. The disaster prompted major changes in building codes and urban planning in the United States. The San Francisco Earthquake highlighted the need for improved disaster preparedness and response, influencing future policies and practices in earthquake-prone areas. The event remains a pivotal moment in American history.