Landslides, earthquakes, and subduction faults could generate 1,000-foot mega-tsunamis, wiping coastal communities off the ...

A Cascadia Subduction Zone earthquake could cause long-lasting changes to Washington’s landscape, coastline and floodplain, a new study says.

A Cascadia Subduction Zone earthquake could cause long-lasting changes to Washington’s landscape, coastline and floodplain, a new study says.

A major earthquake along the Cascadia Subduction Zone could cause coastal land from to sink permanently, dramatically increasing the risk of flooding, according to a new study. The research ...

The Cascadia Subduction Zone earthquake of Jan. 26, 1700 measured an estimated 9.0 on the modern Richter scale.

However, a great earthquake — those with a seismic magnitude over 8.0 — has not occurred along the Cascadia subduction zone since Jan. 26, 1700, making coastal geologic records of past ...

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.

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.

The Cascadia subduction zone stretches from northern California all the way to Canada's British Columbia. It also sits under Oregon and Washington and extends off shore into the Pacific Ocean.

January 26 marked the 325th anniversary of the last Cascadia subduction zone earthquake -- a magnitude 9 quake that sent a tsunami to Japan in the year 1700.

Oregon State University researchers have uncovered new evidence of the impact of the famed 1700 earthquake in the Pacific Northwest. The 9.0 quake and resulting tsunami in the Cascadia subduction ...

On Jan. 26, 1700, one of the largest earthquakes in human history struck off the West Coast of the United States, ... The next Cascadia Subduction Zone earthquake will be devastating.