Deep-sea landslides in the Pacific Northwest's Cascadia subduction zone hold a record of earthquakes dating back 7,500 years, and similar markers may be found in other tectonic plate boundaries ...

Add Yahoo as a preferred source to see more of our stories on Google. Tiny quakes help scientists map hidden faults where the San Andreas meets Cascadia, reshaping quake hazard estimates. (CREDIT: ...

The Cascadia Subduction Zone is quietly loading energy that will one day unleash a megathrust earthquake, and a growing cluster of new measurements suggests that the system is edging closer to failure ...

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, ...

The Pacific Northwest sits atop one of the most dangerous fault systems on Earth, yet daily life from Seattle to Portland ...

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 ...

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 ...

The work, by researchers at the U.S. Geological Survey, the University of California, Davis and the University of Colorado Boulder, is published in Science. "If we don't understand the underlying ...

PORT ANGELES, Wash. — Port Angeles faces significant tsunami danger from a Cascadia subduction zone earthquake that could send waves 16 feet high or more crashing into its waterfront in less than an ...

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 ...