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

Northern California’s coast keeps you on alert, even on quiet days. Offshore, three tectonic plates meet near Humboldt County at the Mendocino Triple Junction. It is where the San Andreas fault system ...

The Cascadia Subduction Zone has been quiet for more than three centuries, but that silence is exactly what alarms the scientists who study it. Along roughly 600 miles of fault off the Pacific ...

In 1954, a powerful earthquake shook Northern California near Humboldt Bay, baffling scientists for decades. Most quakes in the region come from the Gorda Plate, but this one didn’t fit the pattern.

A Cascadia subduction zone earthquake is coming for the Pacific Northwest, and when it hits, scientists now believe, it could cause the San Andreas fault in California to go off. “It would be a very ...

PORTLAND, Ore. (KOIN) – Oregon Governor Tina Kotek signed an executive order on Monday aiming to help the state prepare for earthquakes. Executive Order 25-22 directs Oregon’s Department of ...

Julia Shumway / Oregon Capital Chronicle The so-called “Big One” or Cascadia Subduction Zone earthquake expected to trigger disruptive quakes throughout the West Coast could cause more damage than ...

Linked fault systems: Studies show Cascadia and northern San Andreas faults may rupture within hours, compounding earthquake impacts across the West Coast. Historical evidence: Sediment core records ...

The threat of a 9.0-magnitude earthquake along the Cascadia Subduction Zone has hung over the Pacific Northwest for decades. Seismologists and emergency managers say “The Big One” could be one of the ...