The Great San Francisco Earthquake(s)
On October 8th, 1865, the "Great San Francisco Earthquake" hit south of the city of San Francisco, magnitude 6.3.
On October 21st, 1868, the 'Great San Francisco Earthquake" hit near Haywards, east of the city, across the bay, magnitude 6.8.
On April 18th, 1906, the "Great San Francisco Earthquake" hit the Bay Area, magnitude 7.6.
The death tolls were unknown (but small), 30, and about 3,000, respectively.
Earthquake time bombs | Structural geology, tectonics and geodynamics cambridge.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from cambridge.org Daily Mail and Mail on Sunday newspapers.