A possible future arrangement of the world's plates

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By measuring the speed of present-day plate motions, geophysicists can predict where the plates may be in relation to one another in the future. The velocities of the world's plates range from 1 millimeter per year, to as much as 300 millimeters per year. These speeds assist scientists in the extrapolation procedure. Using supercomputers, individual maps can be produced corresponding to certain points in time. This animation shows the progression of plate movements from the present-day to 250 million years in the future. Notice how the plates may congeal again to form a second Pangaea.

Credit: Dr. Chris Scotese, University of Texas

For more info: http://www.geog.ucsb.edu/~dylan/mtpe/geosphere/topics/pt/plate_tectonics.html