Search officials say they learned of an earthquake just days before the Oso mudslide. “You have to dig pretty deeply, but we found that there was a 1.1 earthquake approximately 100 yards right behind ...

A Cascadia subduction zone earthquake is coming for the Pacific Northwest, and when it hits, scientists now believe, it could cause the San Andreas fault in California to go off. “It would be a very ...

Teasing out just what is happening below the Earth's shifty surface during an earthquake is no simple feat, but scientists have found a new tool that may help get a clearer picture of the minute ...