Physical consequences of Japan earthquake

Source: http://storify.com/ajestream/use-your-time-wisely2?awesm=sfy.co_2Wc&utm_campaign=ajestream&utm_content=storify-share&utm_medium=sfy.co-twitter&utm_source=direct-sfy.co

As last year´s earthquake in Chile, Japan earthquake has moved Japan 4 metres to the East, has shifted the position of the Earth´s rotation axis and it has shortened the lenght of the day. These changes are  impreceptible, but you can imagine the magnitude of the quake. 

Source: http://www.nasa.gov/multimedia/imagegallery/iotd.html

For further information, you can visit the following links: 

http://www.bbc.co.uk/news/science-environment-12732335

http://www.universetoday.com/84068/japan-quake-may-have-shortened-earth-days-moved-axis/