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subduction zone

noun

  1. geology a long narrow, often arcuate, zone along which subduction takes place
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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.


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Example Sentences

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

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

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