The earthquake in Japan shortened the day by 1.6 μSec and shifted the earth's axis by 17 cm.
Last year's earthquake in Chile is calculated to have shortened the day by 1.26 μSec and shifted the earth's axis by 8cm according to a JPL computer model.
The change in the length of the day comes as a result of the shift in the Earth's axis that can be caused by earthquakes.
The 9.1 Sumatra earthquake in 2004 caused a 6.8 microsecond shortening of the day.
Read factlets by:
RSS feed
Email feed
News and blogs about this factlet:
