In 1906, neither San Francisco nor California had building codes or zoning regulations. The city established its first building code in 1907, and the state followed two years later.

At 5:12 a.m. on April 18, 1906, San Francisco shook violently. A 7.9 magnitude earthquake struck just 2 miles off the coast.

At 5 a.m. on April 18, 1906, San Franciscans were jolted out of their beds by the first tremors of an earthquake whose vibrations would be felt as far away as England. The massive quake brought ...

At 5 a.m. on April 18, 1906, San Franciscans were jolted out of their beds by the first tremors of an earthquake whose vibrations would be felt as far away as England. The massive quake brought down ...