1989 Loma Prieta earthquake 3 was held in San Francisco on October 27 and Game 4 the following afternoon as the A's swept the Giants, four games to none. It is likely that the World Series game saved many lives, as Bay Area residents who would have normally been on the freeways were at home ready to watch the game when the earthquake hit. It is a rough estimate that thousands of people may have otherwise been on the Cypress Structure during the 5:00 p.m. rush-hour, as the structure was said to have carried 195,000 vehicles a day. Sources 1989 Loma Prieta earthquake The
Earthquake prediction location to only central California; the magnitude remained the same. A figure they presented had two more revisions, for M ≥ 7.0 quakes in central California. The five-year time window for one ended in July 1989, and so missed the Loma Prieta event; the second revision extended to 1990, and so included Loma Prieta. When discussing success or failure of prediction for the Loma Prieta earthquake, some scientists argue that it did not occur on the San Andreas fault (the focus of most of the forecasts), and involved dip-slip (vertical) movement rather than strike-slip (horizontal) movement, and so was not