Chilean quake may have shortened Earth days

Tuesday, March 2, 2010 - 09:28 in Earth & Climate

The Feb. 27 magnitude 8.8 earthquake in Chile may have shortened the length of each Earth day. NASA scientists came up with a preliminary calculation that the quake should have shortened the length of an Earth day by about 1.26 microseconds (a microsecond is one millionth of a second).

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