These are two very different fault systems, but the sediment record suggests that in the past, at least three San Andreas ...

A new study found that if “The Big One" hit the Pacific Northwest, it could trigger an even bigger earthquake and affect ...

29. For example, researchers found evidence that the last magnitude 9 earthquake in the Cascadia subduction zone - in 1700 ...

It’s the 323rd anniversary of the last Cascadia Subduction Zone earthquake. We spend a fair amount of time thinking about the ‘Big One’ (and the ‘Really Big One’) in the Pacific Northwest. Today is ...

A major earthquake along a West Coast fault could have catastrophic consequences across coastal Washington, Oregon and northern California. Running offshore from northern California to British ...

(KTVZ) – Two fault systems on North America’s West Coast – the Cascadia subduction zone and the San Andreas fault – may ... but there has only been one observed example of the phenomenon – in Sumatra, ...

Scientists at Oregon State University say there's new evidence that two of the best-known earthquake fault lines on the West ...

PORTLAND, Ore. (KOIN) – A new study mapping the Cascadia Subduction Zone is giving scientists clues about the state of the fault line as the Pacific Northwest awaits a potentially catastrophic ...

A new geological study suggests that California’s San Andreas Fault and the Cascadia Subduction Zone, two of the most ...

A budding subduction zone offshore of Spain heralds the start of a new cycle that will one day pull the Atlantic Ocean seafloor into the bowels of the Earth, a new study suggests. Understanding how ...