An international study has revealed how continental collisions may have supercharged the Earth's richest deposits of copper, ...

The 1980 eruption cycle made Mount St. Helens one of the most famous volcanoes in the Cascades. But it is far from the only volcano in the range.

The Cascadia Subduction Zone (CSZ) is a 600-mile-long fault line that stretches from Northern California to Vancouver Island in Canada. It marks the boundary where the Juan de Fuca Plate is being ...

Imagine two huge puzzle pieces of the Earth’s outer shell slowly pushing against each other under the ocean. One piece is sliding underneath the other – this is called a subduction zone, and the ...

Alaska, Hawaii and areas along the mainland West Coast would be at risk if an earthquake erupts along the Cascadia subduction zone within the next 50 years.

A new study warns of a potential 1,000-foot mega-tsunami striking the U.S. West Coast within 50 years. Triggered by a major earthquake along the Cascadia Subduction Zone, this event poses a 15% risk, ...

Terrifying 1000-foot-tall ‘mega tsunami’ to hit US within the next…, could wipe part of America off the map, cities in danger are… Unlike smaller tsunamis, which may only produce waves a ...

Major earthquakes are multi-faceted hazards, ranging from collapsed buildings to destructive tsunamis. But a major event can also lead to a large-scale sinking of the land known as land subsidence.

A long-feared monster earthquake off the coast of California, Oregon and Washington could cause some areas to sink by more than 6 feet, dramatically heightening the risk of flooding.

The Cascadia Subduction Zone has historically produced 8.0 or larger magnitude earthquakes every 400 to 600 years, with the last striking in 1700.

January 26 marked the 325th anniversary since the last earthquake struck the Cascadia subduction zone. Centuries later, the ancient quake has left clues for scientists to prepare for the next one.