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

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

A megaquake in the Pacific Northwest could trigger a large earthquake along California's San Andreas Fault, creating an unprecedented catastrophe up and down the Pacific Coast, a new study has found.

The Carrizo Plain in eastern San Luis Obispo County contains the most strikingly graphic portion of the San Andreas Fault. Sediment cores recovered from the Pacific seafloor suggest that megathrust ...

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

Here’s what you’ll learn when you read this story: Researchers hoping to unravel the dance of earthquake movement in North America’s West Coast discovered a disturbing fact: Two of the world’s largest ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Map showing the Cascadia subduction zone and the San Andreas Fault. (USGS/Illustration by SFGATE) Two of the West Coast's most ...

The West Coast is years overdue for the next big earthquake. When the colossal tremor eventually strikes, seismologists expect high-rises and other buildings to collapse, massive fires that can burn ...

Most people only think about earthquakes after one happens. The news cycle kicks in, the footage rolls, and for a few days ...

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 ...