The tectonic plates of Earth's crust are always moving, but the movement is far too slow to be perceived without sensitive measuring equipment. For example, the northward movement of India at the rate of two inches per year is considered fast. Usually the only times we perceive the movement of Earth's crust are when part of a tectonic plate gets stuck, and the movement of the rest of the plate causes potential energy to build up in the stuck part until it has enough energy to free itself and catch up with the rest of the plate. That is how most earthquakes happen.
Very gradually
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Large sections of Earth's crust move due to the constant motion of the tectonic plates that make up the Earth's surface. This movement is caused by the heat generated from the Earth's core, which drives convection currents in the mantle. As the currents move, they drag the overlying tectonic plates along with them, resulting in the motion of the Earth's crust.
continentual drift
The idea that the earth's crust is broken into plates that move on top of the mantle is known as the theory of plate tectonics.Magma is the name given to molten rock below the Earth's surface.
the earth's crust is made up of 7 rigid,irregularly shaped plates(slabs). these are called lithospheric plates. these plates move because of the molten magma under the earth's crust which move in a circular motion that's why the earth's crust moves and earthquakes occurs
earthquakes happen when these sections of earths crust move
Convection currents of heat underneath the earth's crust in the mantle (magma) cause the tectonic plates of the earth's crust to move.
Convection currents of heat underneath the earth's crust in the mantle (magma) cause the tectonic plates of the earth's crust to move.
Convection currents of heat underneath the earth's crust in the mantle (magma) cause the tectonic plates of the earth's crust to move.
Because the convection currents involve the Earth's crust.
The earth's crust moves because the earth has tectonic plates that move because the magma under the earth's surface is constantly boiling. Since the water moves, it causes the earth's crust to move.
Lithosphere.
They are called fault lines.
The vibration of the techtonic plates. :)
A fault.
a salami.