The Cascadia Subduction Zone off the Pacific Northwest is overdue for an earthquake – and when it happens, coastal ...

Tremors beneath Northern California show hidden plate movement, helping scientists better understand where future big ...

The Cascadia Subduction Zone is “unusually quiet,” for a megathrust fault, making it more difficult for scientists to ...

PORTLAND, Ore. - A new study shows a Cascadia Subduction Zone earthquake could injure 27,000 people, displace 85,000, kill 1,400 and cause $37 billion in damage to buildings in the Portland metro area ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. New research reveals the Cascadia and San Andreas faults may be linked, with quakes on one triggering the other. (CREDIT: ...

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 ...

They are two of the West Coast’s most destructive generators of huge earthquakes: The San Andreas fault in California and the Cascadia subduction zone offshore of California’s North Coast, Oregon, ...

Add Yahoo as a preferred source to see more of our stories on Google. Earthquake with tremor graphic A newly identified link between two notorious geologic zones suggests a major earthquake at one ...

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 ...

The so-called “Big One” or Cascadia Subduction Zone earthquake expected to trigger disruptive quakes throughout the West Coast could cause more damage than previously estimated if it sets off quakes ...