1989 Loma Prieta earthquake the State office of Emergency Services issued (for the first time in Bay Area history) short term advisories for a possible large earthquake, which meant there was "a slightly increased likelihood of an M6.5 event on the Santa Cruz Mountains segment of the San Andreas fault". The advisories following the two Lake Elsman events were issued in part because of the statements made by WGCEP and because they were two of the three largest shocks to occur along the 1906 earthquake's rupture zone since 1914. The 5.3 June 1988 and the 5.4 August 1989 events also occurred on previously unknown
History of the San Francisco Giants a harmless first-pitch groundout straight to Robby Thompson at second, who threw easily to series hero Will Clark at first for the final out, stranding the tying run at third, as longtime Giants radio voice Hank Greenwald proclaimed, "27 years of frustration have come to an end as the San Francisco Giants are once again champions of the National League!" After dispatching the Cubs four games to one, the Giants faced the Oakland Athletics in the unforgettable "Bay Bridge Series", best remembered by the October 17, 1989 Loma Prieta earthquake which struck at 5:10 pm just before the scheduled Game