The new images reveal seismically fast-velocity anomalies within the mantle transition zone (MTZ ... As scientists delve deeper into continental subduction processes, we anticipate further ...

This area, called the Cascadia Subduction Zone, hosts a megathrust fault ... the rigid edge of the overriding North American continental plate is composed of many different kinds of rocks ...

The Cascadia subduction zone, where the oceanic Juan de Fuca plate descends beneath the overlying North ... West of Vancouver Island, seismic reflection surveys show that beneath the continental shelf ...