The Cascadia subduction zone, where the oceanic Juan de Fuca plate descends beneath the overlying North American plate, extends 1100 km from northern California to northern Vancouver Island.

The Cascadia Subduction Zone is capable of generating "megathrust" earthquakes with magnitudes of 9.0 or higher. Such an event, which last occurred over 300 years ago, could trigger a tsunami ...

This area, called the Cascadia Subduction Zone, hosts a megathrust fault, a place where tectonic plates move against each other in a highly dangerous way. The plates can periodically lock up and ...

Geologist Robert Yeats, author of 'Earthquake Time Bombs', has highlighted the risks associated with the presence of several large US cities in the Pacific Northwest's Cascadia subduction zone.

Map shows the Cascadia Subduction Zone along the Pacific Northwest coast, with a shaded area encompassing the onshore and offshore areas where seismometers were located. Data from the seismometers ...

A megathrust earthquake occurs due to the collision of tectonic plates in a subduction zone, an area where one tectonic plate is forced under another. Megathrust earthquakes have a high potential to ...