Part 2: This next activity determines the average rate that the Pacific Plate ha

Question

Part 2: This next activity determines the average rate that the Pacific Plate has moved over the last 30 million years (a much larger timespan than the exercise above) -NORTHWESTERN(LEEWARD) PACIFIC OCEAN Kure Midway Peal and Hermes Reef ISLANDS SOUTHEASTERN _-_7(WINDWARD) isur Lisanski Laysan Gardner //Vm NihoaKaua Neder FrenchFngate Shoals t. Nihoa O Hawai i 0 500 KILOMETERS 300 MILES The ages of the islands and seamounts increase with distance away from the Hawaian hot spot. Midway Island is 28 million years old Question #6 Determine the average rate of plate motion over the much longer time period. Hawaiian hot spot. Using the same procedure as above, calculate the rate of plate motion for this longer timescale. As determined fronm rate is cm/yr (centimeters /year) Notice that the island of Midway is quite a distance away from the current your work, this kilometers /million years. Convert your answer to

Explanation / Answer

2.2 cm = 500 km

1 cm = 227.2727

The distance between Hawaiian hotspot & Midway Island is 10.7 cm = 2431.8181 km

28000000 years = 2431.8181 km

1 Year = 0.00008685 km/ year = 8.685x10-5 km/yr = 8.685 cm/yr

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