Tsunamis pose a risk to the entirety of the California coast. But should a major one strike, how bad could it be?

Near-shore tsunamis, those triggered by earthquakes just off the coast, could pose a particularly dire risk for California’s ...

A near-certain disaster looms for California, but there are real things people can do to prepare. Here's what to know about ...

More than 25 million cubic yards of rock and ice broke loose and plunged into Greenland's Dickson Fjord, creating a ...

The Cascadia Subduction Zone, dormant for over 300 years, poses a significant threat to the Pacific Northwest. A future ...

A recent Virginia Tech study reveals that the Pacific Northwest faces a heightened risk of catastrophic flooding and mega-tsunamis, potentially reachi ...

This warning is for a terrifying tsunami (mega tsunami) that could devastate large parts of America. The magnitude of this ...

Alaska, Hawaii and areas along the mainland West Coast would be at risk if an earthquake erupts along the Cascadia subduction zone within the next 50 years.

California's coastal areas are obviously ... would [have] a much lower success rate," said Dave Snider, the tsunami warning coordinator at the National Tsunami Warning Center in Alaska.

It was a typical sunny Thursday morning — and suddenly messages popped up on millions of cell phones across the Bay Area and Northern California: “Tsunami warning … you are in danger ...

Northern California was under a rare and brief tsunami warning alert Thursday that tested local emergency notification systems after a 7.0 magnitude earthquake shook part of the state. The ...