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An Earthquake is what happens when two blocks of the earth suddenly slip past one another.

The surface where they slip is called the fault or fault plane.

Why does the earth shake when there is an earthquake?

While the edges of faults are stuck together, and the rest of the block is moving, the energy that would normally cause the blocks to slide past one another is being stored up. When the force of the moving blocks finally overcomes the friction of the jagged edges of the fault and it unsticks, all that stored up energy is released.

• The energy radiates outward from the fault in all directions in the form of seismic waves like ripples on a pond.

• The seismic waves shake the earth as they move through it, and when the waves reach the earth's surface, they shake the ground and anything on it, like our houses and us!

Effects of an earthquake:

• The effects of an earthquake are terrible and devastating. Many building, hospitals, schools, are destroyed due to it.
• A lot of people get killed and injured.
• Many people lose their money and property. It affects the mental health and emotional health of people.