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The Locations And Ages Of Islands In The Hawaiian Island Chain Can Be Used To Show

: a) the direction of movement of the North American Plate b) the rate of movement of the Pacific Plate c) the size of earthquakes to be expected in the Pacific Ocean d) all of the above
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b) the rate of movement of the Pacific Plate The Hawaiian Islands have been built by the passage of the Pacific plate over a mantle hotspot. The location and ages of the islands show the direction of movement of the Pacific plate as it passed over the hotspot. This is called a hot spot track. Because the Hawaiian islands are on the Pacific Plate they tell us nothing about the direction or rate of movement of the North American plate - the North American plate moves independently of the Pacific plate. They also don't tell us anything about the size of earthquakes to be expected in the Pacific Ocean - while passage of the plate over the hotspot, and subsidence as it moves off the hot spot results in earthquake activity, the largest earthquakes occur on the subduction zones that ring the Pacific basin.
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