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.
The continents are embedded in the tectonic plates and drift inertly along. The reason that tectonic plates are able to move, despite their colossal weight, is that the two types of crust, continental and oceanic, differ significantly in composition.