Question

what is earthquake ? simple difine.......​

Answer 1

Answer:

An earthquake is an intense shaking of Earth's surface. The shaking is caused by movements in Earth's outermost layer.

Answer 2

Answer:

Earthquakes are usually caused when rock underground suddenly breaks along a fault. This sudden release of energy causes the seismic waves that make the ground shake. When two blocks of rock or two plates are rubbing against each other, they stick a little. ... When the rocks break, the earthquake occurs

Explanation:

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