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QHow does an earthquake shorten a day on Earth?

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#1SIMPLEAnswered at 2013-01-09 11:47:58
If the earthquake redistributes rocks, can cause a slight imbalance in the mass balance planet speed . Since momentum is conserved , the alteration of the local mass also alter the speed . However, if nothing changes , it would be minutes, as in the order of 1.26 microseconds , it does not even feel . The Moon has much larger effects .
#2WaleAnswered at 2013-03-11 16:29:41
The massive 8.8 earthquake that struck Chile may have changed the entire Earth's rotation and shortened the length of days on our planet , a NASA scientist said Monday. The quake , the seventh strongest earthquake in recorded history , hit Chile Saturday and should have shortened the length of an Earth day by 1.26 milliseconds , according to research scientist Richard Gross of the Jet Propulsion Laboratory of NASA Pasadena , California
#3barrieAnswered at 2013-03-28 22:34:20
#4Colton ConstancioAnswered at 2013-03-29 05:51:04
#5LelaAnswered at 2013-06-15 07:49:55
it doesn't, simple astronomy.
#6PutraAnswered at 2013-06-26 20:28:09
I don't think it does.
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How does an earthquake shorten a day on Earth?

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