Question

what are earthquakes?​

Answer 1

Answer:

An earthquake is the result of a sudden release of stored energy in the Earth's crust that creates seismic waves. ... Earthquakes may occur naturally or as a result of human activities. Smaller earthquakes can also be caused by volcanic activity, landslides, mine blasts, and nuclear experiments.

Answer 2

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An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves.