Wgnweather Blog
December 27, 2004
Incredibly, the magnitude 9.0 earthquake that struck off Sumatra on Sunday
morning caused a vertical displacement of so much material that the rotation
period of the Earth has been permanently altered. By a tiny but measurable
amount, the Earth is now rotating more quickly on its axis, and the 24-hour
day is now one ten-thousandth second shorter.
Continue reading Aftermath of the Earthquake: Shorter Days.
