Monday, March 2, 2015

Hot Spot

Hawaiʻi sits over a ‘hot spot,’ the Hawaiian hot spot.  It’s one hot spot, but lots of volcanoes have formed over it.  The Islands are above a moving sea floor of the North Pacific Ocean (the Pacific Ocean is mostly floored by a single tectonic plate known as the “Pacific Plate.”)

The plates move over the hot spot; it moves to the northwest.  As the plate moves away, the volcano stops erupting and a new one is formed in its place. With time, the volcanoes keep drifting westward and getting older relative to the one active volcano that is over the hot spot.

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