Odds of magnitude 9 earthquake that would devastate West Coast spike after ‘unusual’ finding: study

The West Coast’s worst nightmare may not end with one catastrophic earthquake. Scientists have uncovered evidence suggesting the long-feared magnitude 9 Cascadia “Big One” could trigger a second major quake on California’s San Andreas Fault, creating a devastating chain reaction that would hammer much of the Pacific coast. The Northridge Earthquake in photo taken, Jan....