The 1985 Mexico City earthquake was caused by eastward subduction of a small plate,the Cocos plate,beneath the North American plate.Other small plates are subducting beneath North America at the Cascadia subduction zone.

Question

Quizplus · Accepted Answer

The statement accurately describes the cause of the 1985 Mexico City earthquake and identifies the Cascadia subduction zone as an area where subduction of small plates is occurring beneath North America.

The 1985 Mexico City Earthquake Was Caused by Eastward Subduction