3san francisco By amonak Mar 30, 1898 earthquake citizens were woken up by the earthquake. the earthquake was a 6.5 Apr 18, 1906 earthquake the strongest eathquake in San Francisco history Jul 1, 1911 earthquake another eruption but not as bad as he 1906 eathquake Oct 17, 1989 earthquake one the strongest earthquakes in 100 years
