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Science Earth permanently deformed by big quakes? Measurements in Chile challenge established theory.

Earth permanently deformed: New research suggests that large-scale temblors can leave permanent scars on the crust of our planet.

By Contributor / April 29, 2013

Natacha Pisarenko/AP/File

Large earthquakes can deform the earth's crust permanently, a study of major quakes in northern Chile over the past million years suggests.