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

The Cascadia Subduction Zone earthquake last hit the coasts of Oregon, Washington and California in 1700, with an estimated ...

A megaquake in the Pacific Northwest could trigger a large earthquake along California's San Andreas Fault, creating an ...

Samples from the seafloor reveal evidence of several earthquakes along the West Coast’s two major fault zones happening in ...

A future mega-earthquake in the Pacific Northwest could lead to the "Big One" along the San Andreas fault in California-or ...

Two of North America's most notorious earthquake faults may be more closely linked than scientists once thought, raising fears that a massive quake in the Pacific Northwest could set off another ...

SEATTLE — Newly-released research led by the University of Washington (UW) showed that a feature scientists hypothesized was present along the Cascadia Subduction Zone is missing in places. What does ...

A major Cascadia subduction zone earthquake is coming for the West Coast. During that earthquake, parts of California, Oregon and Washington could shake for up to five minutes, as the Juan de Fuca ...

Although Californians are relatively familiar with the San Andreas Fault, the Cascadia Subduction Zone is in many ways more ...

PORTLAND, Ore. (KOIN) – A major earthquake waiting to strike the Cascadia Subduction Zone isn’t the only natural disaster looming in the Pacific Northwest, new research shows. A powerful quake, ...

The pressure keeps building below the Earth’s surface off the coast of the Pacific Northwest, and a multi-layered disaster could strike at any time. A huge earthquake is brewing along the Cascadia ...

When Washingtonians talk about the possibility of a major earthquake in the Cascadia Subduction Zone, the conversation typically focuses on the immediate impacts: the threat of casualties, building ...