Countless seismic faults just as dangerous as the one that triggered Monday's San Simeon earthquake are suspected to be lurking throughout the Bay Area. Scientists have known about some of these ...

As the recent 2011 moment magnitude (M w) 9.0 Tohoku-Oki event clearly demonstrated, the shallow portion (up to several tens of kilometres down-dip from the trench axis) of a subduction zone can not ...