A new study suggests northern Oregon could experience stronger shaking during a major Cascadia earthquake than earlier models ...

It’s every Californians worst nightmare. Now experts are warning “The Big One” could be even worse than feared due to a ...

New geological models and updated hazard assessments from the U.S. Geological Survey and leading universities are once again ...

When the tectonic subduction zone beneath the Pacific Northwest moves, it does so in dramatic fashion. Not only is ground shaking from a magnitude 9+ earthquake incredibly destructive, the event ...

Scientists have long known about a major fault off the Pacific Northwest coast that could potentially cause a major ...

Two of the most dangerous fault systems on the U.S. West Coast may be more connected than scientists once thought. New research suggests the Cascadia subduction zone and the San Andreas fault can ...

SALEM, Ore. — Oregon has a new playbook for preparing and responding to a major earthquake that dictates what should be tackled over time versus a list of tasks to get done. The playbook provides a ...

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 ...

For generations, scientists believed that the West Coast’s two great earthquake engines — the Cascadia subduction zone and the San Andreas fault — operated on separate geologic stages. One dives, one ...