An unexpected earthquake occurred within an ancient fault zone along the US East Coast, rocking Maryland with a minor ...

Researchers have identified an actively creeping section of the Concord Fault running through local communities in California, potentially increasing the risk of large earthquakes in residential ...

LOS ANGELES -- Could a monster earthquake sink a portion of Northern California? A new study calculates the risk of where and how much land could sink. The Cascadia fault line is the focus of the new ...

CONCORD, Calif. (KGO) -- A fault line that could unleash a major earthquake is not where scientists thought it was. New research found the Concord Fault is about a quarter mile west of where it was ...

LOS ANGELES (KABC) -- Could a monster earthquake sink a portion of Northern California? A new study calculates the risk of where and how much land could sink, but experts say there's something else ...