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Japan's Earthquake Causes Day To Get Shorter

Posted on the 13 March 2011 by Gerard @presurfer
You won't notice it, but the day just got a tiny bit shorter because of Friday's giant earthquake off the coast of Japan. NASA geophysicist Richard Gross calculated that Earth's rotation sped up by 1.6 microseconds.
That's because of the shift in Earth's mass caused by the 8.9-magnitude earthquake. A microsecond is one-millionth of a second.The Presurfer

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