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.
There are mainly three causes for the movement of mechanically stronger tectonic plates (lithosphere) over the mechanically weaker asthenosphere. These are Mantle convection, ridge push and the slab pull. Mantle convection occurs because of the density difference and the heat release in the mantle.