Is This The Big One?

Quivering Coward writes "There has been a marked increase in seismic activity in southern California in the past several days," pointing to this map from Caltech Earthquake Net, including a 5.2 and 3.6 this morning (2004/06/15). "Could this be the big one? Is 'the big one' ever going to happen? NASA is doing their part to predict the future of Earthquakes."