Calaveras Fault 6.5 that occurred in 1911 in the Morgan Hill area. The most recent of these was a magnitude 6.2 earthquake near Morgan Hill in 1984. A magnitude 5.6 earthquake occurred on the Calaveras Fault on October 30, 2007 at 20:04 PDT (October 31, at 03:04 UTC), near Alum Rock. Prior to the 2014 South Napa earthquake, it was the most powerful quake to hit the Bay Area since the Loma Prieta earthquake of 1989, and the largest on the Calaveras Fault since 1984. Although it has been known for some time that the Calaveras and Hayward faults merge in the
Emergency management in American universities first affected by the 1906 San Francisco earthquake which destroyed much of the original construction on campus. Two of the buildings most badly damaged by the 1906 earthquake were the Old Gymnasium and campus library, these two elaborate buildings had been damaged before they were occupied so Standford officials decided to demolish them completely. In 1989 Stanford sustained further damage after the Loma Prieta earthquake, which caused them to permanently close the Old Chemistry Building which had been commissioned before the 1906 earthquake occurred. Many of the campuses historical buildings that had been damaged by both the 1906 and 1989