Impact: The 1933 earthquake was Southern California’s deadliest in the modern record, leaving nearly 120 dead and causing $40 ...

Do you think you know everything about the good ol' U.S. of A.? These fascinating U.S. geography facts are guaranteed to blow ...

A 300-meter-high tsunami crashing into the US coast might sound like science fiction—but scientists say it's a very real ...

In California, where the next “Big One” is an always-looming threat, some lessons learned from the 1925 Santa Barbara quake ...