Meaning of name Dinesh. Etymology : Means day lord from Sanskrit (dina) day and (isha) lord. Saint :
A: The three primary causes for tectonic plate movement are the convection of material in the mantle, gravity and the rotation of the planet. These forces cause each of the seven major plates and numerous other microplates to move independently of the others at a rate of a few centimeters per year.
In addition to information on the evidence for plate tectonics and the continual nature of plate movements, there are explanations of how plates move relative to each other, causing earthquakes, volcanoes, and mountain ranges to form. A description of the Earth's internal structure is also included.