subduction zone

noun

1. geology a long narrow, often arcuate, zone along which subduction takes place

subduction zone

1. A convergent plate boundary where one plate subducts beneath the other, usually because it is denser. The western coast of South America is roughly coincident with a subduction zone in which a plate consisting of ocean floor is subducting beneath the continental mass of South America.

Example Sentences

Predicting the exact arrival of a Cascadia Subduction Zone quake is also nearly impossible, and constantly evolving.

From The Daily Beast

The Cascadia Subduction Zone is the wonky name for the place where all this mayhem will begin.

From The Daily Beast