(via PBS Terra) The 1700 Cascadia earthquake and tsunami was a massive natural disaster that reshaped the Pacific Northwest.

A 7.0-magnitude earthquake off the California coast briefly triggered a tsunami warning for parts of Northern California and ...

At a magnitude 9, it’s been predicted the eruption of the Cascadia Subduction Zone – a so-called megaquake – could kill 14,000 people and severely damage or destroy a million buildings.

Scientists like Tobin fear that without releasing tension through smaller earthquakes, the Cascadia subduction zone is more ...

Some Western states could soon see a "megaquake" due to an underwater fault line along the West Coast, a new study suggests. Scientists have mapped the Cascadia Subduction Zone - a 600-mile fault ...

Phelps and other disaster managers are pushing that point because the Cascadia Subduction Zone ... you’re going to feel better about this megaquake. Take it from Ed Jahn, OPB's reporter ...

The Cascadia Subduction Zone is a 600-mile-long ... and seismologists say it could rupture at any time, causing a megaquake and tsunami.

The Cascadia Subduction Zone is a 600-mile-long (965-kilometer) fault just off the coast that runs from Northern California to British Columbia. Tectonic stresses have been accumulating in the zone ...