It's only a drill - but the earthquake-simulation plan set for November will illustrate a frightening event that would rock our world if it becomes a reality. The ShakeOut Scenario calls for a 7.8 Southern California earthquake that would "kill 1,800 people, injure 50,000, cause $200 billion in damage, and have long-lasting social and economic consequences," according to a U.S. Geological Survey news release. Science predicts the strongest shaking and greatest damage from such a quake would occur near the stretch of the San Andreas Fault that extends through the fastest growing areas of Southern California - including the Coachella...