The Earth on the right shows imagery from the aftermath of the Japanese earthquake and tsunami of March 2011; the Earth on the left shows imagery preceding these events. The motions of the Earths have been locked together to allow a before-and-after comparison to be made.
Please follow this link to find out ways in which you can help: http://www.google.com/crisisresponse/japanquake2011.html
Please refer to Google's documentation for guides to Google Earth and its navigation control.
Feel free contact me by email: contact(at)anotherearth(dot)org