Was that an earthquake you just felt or merely a big truck rumbling by? You don't have to wonder thanks to the U.S.

The last major earthquake in the Bay Area occurred more than a decade ago, when an earthquake rattled Napa Valley in 2014. The 6.0 magnitude quake in Wine Country killed one person and injured 300 ...

The fault has moved the curbs as much as a handspan, around 18 centimeters, since the time they were installed, up to 60 ...

The last major earthquake in the Bay Area occurred more than a decade ago, when an earthquake rattled Napa Valley in 2014. The 6.0 magnitude quake in Wine Country killed one person and injured 300 ...

California was hit by a 3.3 magnitude earthquake on Wednesday, along a major fault line overdue for a major one. The US Geological Survey detected the tremor at 9:31am PT outside of Borrego ...

Tsunamis pose a risk to the entire California coast. But should a major one strike, how bad could it be? A single tsunami likely won’t cause the worst-case scenario for every region. But in ...

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

Near-shore tsunamis, those triggered by earthquakes just off the coast, could pose a particularly dire risk for California's heavily populated coastal communities.