Word: sumatran
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Dates: during 2010-2019
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...three inches. The law of conservation of angular momentum, however, requires that even under these exigent circumstances, the Earth's angular momentum stays constant, which means the planet must step on the gas (or the brake) to accommodate shifting mass. The same thing happened in 2004 with the 9.1 Sumatran earthquake that triggered the tsunami. That earthquake should have shifted the Earth's figure axis by 2.76 inches and shortened its day by 6.8 millionths of a second, according to computer models...