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
1989 American League Championship Series 1989 American League Championship Series The 1989 American League Championship Series was played between the Oakland Athletics and the Toronto Blue Jays from October 3 to 8. A dominant Oakland team took the Series four games to one, en route to a sweep of their cross-bay rivals, the San Francisco Giants, in a World Series marred by the destructive Loma Prieta earthquake. The Athletics finished the 1989 regular season as the best overall team in baseball, with a 99–63 record (.611). They easily won the American League West division title by seven games over the Kansas City Royals. The Blue