Finally, there's the transform boundaries,where two plates scrape past one another.The grinding of the transform boundary leads to many earthquakes,which is what happens in the 810 mile-long San Andreas Fault.
The moving Earth is unstoppable,and, while a shift of 10 cm/year may not seem like a lot,over millions of years our planet will continue to dramatically change.Mountains will rise,shorelines will recede,islands will pop up.In fact, one projected map shows the cities of Los Angeles and San Francisco on top of each other.Maybe South America and Africa will come together again, too.Only time will tell.