A group of volcanoes in central British Columbia extends from west to east,growing progressively older to the west.The youngest volcano (at the east end)is about 8 thousand years old.This age progression implies that movement of the North American Plate in this region has been to the

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The age progression of the volcanoes from east to west, with the youngest volcanoes located at the eastern end, suggests that the North American Plate has been moving to the west. This westward movement would cause new volcanic activity to occur on the eastern side of the group, as the plate moves over a stationary hotspot or volcanic source beneath the Earth's crust.

A Group of Volcanoes in Central British Columbia Extends from West