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The centrifugal effect of the Earth's rotation causes both sea-level and the "solid" Earth to bulge at the Equator, so that the radius at the Equator is about 22km greater than the radius at the pole Wikipedia: Equatorial Bulge. The direct dynamical effect of rotation does not cause any East-West variation in sea-level. There are two more effects to take ...


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I ask as in Bill Bryson's book 'A Short History of Nearly Everything' on p.334 ch.18, he says The Pacific is about a foot and a half [~46cm] higher along its western edge - a consequence of the centrifugal force created by the Earth's spin. Bryson is right in the sense that in places there is a difference in height between the eastern Pacific ...


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