Earthquake
An
earthquake happens when two tectonic plates are crashing into or sliding past
each other. The outer layer of earth is made up of many floating plates that
are like jigsaw puzzle pieces with edges made up of many faults. The plates
keep moving, when the jagged edges of faults are stuck together. While the rest
of the plates are moving, the energy that would normally cause the plates to
move is being stored up. As the jagged edges finally free themselves, all the
stored up energy is released. The energy goes outward in all directions in the
form of seismic waves like ripples on a pond. It is these seismic waves that
shake earth when they move trough it, and while the waves reach the surface of
earth, they shake the ground and anything on it.
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