Hayward fault could cause 'greatest natural disaster ever to hit US', warn experts

Hayward fault could cause 'greatest natural disaster ever to hit US', warn experts | Daily Mail Online: "The San Andreas and Cascadia fault have a potentially deadlier counterpart lurking in the East Bay region of Northern California. Known as the Hayward Fault, it extends from San Pablo Bay in the north to Fremont in the south, passing through heavily populated areas including Berkeley, Oakland and Hayward."