Earthquake in Chile moved the Earth axis and shortened day!

The 8.8-magnitude Chilean earthquake released so much energy that it may have slightly shortened the length of the Earth's day, a NASA scientist says.Richard Gross, a researcher at the Jet Propulsion Laboratory computed how the Earth's rotation may have been affected by the Feb. 27 quake, which has killed at least 723 people.The JPL computer model suggests that the length of the