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News From the Field

Massive Bolivian earthquake reveals mountains 660 kilometers below our feet


February 14, 2019

Princeton University geophysicists Jessica Irving and Wenbo Wu used data from an enormous earthquake in Bolivia to find mountains at the base of the mantle's transition zone, located 660 kilometers below our feet. Their statistical model didn't allow for precise height measurements, but these mountains may be bigger than anything on the surface of the Earth. The researchers also examined the top of the transition zone (410 km down) and did not find similar roughness. Full Story

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Princeton University

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