North America is somewhere in the middle when it comes to its size, as it looks much larger than it actually is due to the fact that the map projection adds extra land when transferring a sphere to a rectangular map. It is smaller than Africa and Asia, but it is larger than Europe and Australia.
When the plates are moving, they go up against each other and go along each other and when a 'non-matched' piece comes, they hit causing an earthquake.<span />