Scientists discovered a crack under the sea off Vancouver Island, NFZ in Cascadia region, that could alter Pacific subduction ...

Flooding during a Cascadia region earthquake would alter the topography and ecosystems of the coastal region for years to ...

Early in the morning on October 29, two earthquakes occurred approximately 280 miles west of the Oregon coast in the Pacific Ocean. The first earthquake, measuring 4.8 in magnitude, occurred around ...

For generations, scientists believed that the West Coast’s two great earthquake engines — the Cascadia subduction zone and ...

It’s like a plot from a Hollywood movie. A massive earthquake on one West Coast fault triggers other earthquakes far away, causing vast destruction over hundreds of miles. A new study out Tuesday ...

Cascadia and San Andreas link raises spectre of simultaneous disasters, findings that could undermine insurance models and disaster response, say experts ...

CORVALLIS, Ore. – Two fault systems on North America’s West Coast – the Cascadia subduction zone and the San Andreas fault – may be synchronized, with earthquakes on one fault potentially triggering ...

Most in the Pacific Northwest have heard of “the big one,” a potentially massive earthquake that could shake the region. A new study found “the big one” could set off “the bigger one,” triggering ...

Two earthquakes struck off the Oregon coast today. Learn more about their impact and how to stay prepared for future tremors.

Accidental landing of a research vessel in the San Andreas zone revealed the repeating patterns tribuldite in its core.