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 Cascadia subduction zone is more complex than researchers previously knew. The new finding could help scientists better understand the risk from future earthquakes. When you purchase through links ...

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 ...

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 ...

This is read by an automated voice. Please report any issues or inconsistencies here. New research suggests the San Andreas fault and the Cascadia subduction zone could produce devastating ...

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 ...

A "Big One" on the Cascadia subduction zone in the Pacific Northwest might trigger a similarly serious earthquake on California's San Andreas Fault, new research suggests. The findings are based on ...

The disaster caused by a predicted large earthquake in the Pacific Northwest could be compounded by shaking along the San Andreas fault in California, scientists warned. By Sarah Scoles In the world’s ...

When an earthquake rips along the Cascadia Subduction Zone fault, much of the U.S. West Coast could shake violently for five minutes, and tsunami waves as tall as 100 feet could barrel toward shore.

New earthquake research to be presented by Oregon-based geologists next week sounds like a B movie plot: A great earthquake along the Pacific Northwest's offshore Cascadia fault triggers another great ...