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).