Napa residents jolted out of bed early Sunday by the worst earthquake to hit the Bay Area in decades described the terror, chaos and disorientation they felt in the moments the temblor struck, and the ...

Climate journalist Emma Pattee has been worried about the so-called big one—an off-the-charts earthquake—hitting her town in Portland, Ore., for some time now. She’s not alone: scientists estimate at ...

Explore the worst actions to take during an earthquake.