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
1989 San Francisco Giants season 1989, at Oakland Coliseum in Oakland, California. October 15, 1989, at Oakland Coliseum in Oakland, California October 17, 1989, at Candlestick Park in San Francisco The game was delayed until October 27, or about ten days, due to the Loma Prieta earthquake. October 28, 1989, at Candlestick Park in San Francisco All-Star Game 1989 San Francisco Giants season The 1989 San Francisco Giants season was the Giants' 107th season in Major League Baseball, their 32nd season in San Francisco since their move from New York following the 1957 season, and their 30th at Candlestick Park. The Giants finished in first