New evidence suggests current estimates about tsunami size and how quickly waves make it to shore may be too high and too ...

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

Seafloor sensors caught a rare slow quake in action. It hints at how Earth's stress is quietly released. For the first time, ...

The Cascadia Subduction Zone looks a little different than researchers thought. ... a splay fault could send a tsunami hurtling toward the coast within 10 or so minutes.

When an earthquake rips along the Cascadia Subduction Zone fault, much of the U.S. West Coast could shake violently for five minutes, and tsunami waves as tall as 100 feet could barrel toward shore.

On Jan. 26, 1700, an earthquake on the Cascadia fault caused the forest to lurch downward by more than 3 feet. Soon after, a tsunami perhaps 100 feet high barreled through at 20 or 30 mph.

When the fault rips, experts have said, it will precipitate the worst natural disaster in the nation’s history.A 2022 state and federal planning exercise for a Cascadia earthquake predicted ...

An earthquake rattled the Cascadia fault 325 years ago. Here’s what we know about the massive quake by: Michaela Bourgeois. Posted: Jan 28, 2025 / 08:00 AM PST.

The Cascadia fault line is the focus of a new study that could devastate Northern California. But experts say there's a bigger threat to Los Angeles.

Cascadia fault. Earthquake experts lay out latest outlook for the ‘Really Big One’ that’ll hit Seattle. Earthquake experts say current building codes don’t reflect the riskiest features of ...

Alaska, Hawaii and parts of the mainland America’s West Coast are at risk if an earthquake erupts along the Cascadia subduction zone, a fault stretching from Northern Vancouver Island to Cape ...

Researchers are running new models with the updated information about the Cascadia subduction zone, which may give a clearer view of how the absence of this megasplay fault will play into "The Big ...