The Cascadia subduction zone, where the oceanic Juan de Fuca plate descends beneath the overlying North ... shallowest E reflection – brown; Leech River fault – red. Vertical exaggeration is 1.5:1.

This area, called the Cascadia Subduction ... fault zone is not just one continuous structure, but is divided into at least four segments, each potentially somewhat insulated against movements ...

PORTLAND, Ore. (KOIN) – A new study mapping the Cascadia Subduction Zone is giving scientists clues about the state of the ...

The Pacific Northwest is at risk for a mega-earthquake because of the Cascadia Subduction Zone. The region is primed for powerful quakes, with a particularly strong one called the Big One ...

The Cascadia subduction zone fault could kill thousands and render the greater Pacific Northwest unrecognizable during its next big slip. Researchers think the region is due for a devastating 8.0 ...