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 ...

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 ...

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.

Aftershocks continued Friday after a strong earthquake that prompted a tsunami warning for parts of the U.S. West Coast Thursday. "At this time, there have been 59 earthquakes of magnitude three ...

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 ...

LOS ANGELES – Fear, anxiety and confusion swept across the West Coast early Thursday when a rare tsunami warning was issued for parts of Northern California and southern Oregon following a ...