Question

what is an earthquake​

Answer 1

Answer:

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.

Answer 2

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An earthquake is the result of a sudden release of stored energy in the Earth's crust that creates seismic waves. Earthquakes are accordingly measured with a seismometer, commonly known as a seismograph. An earthquake is caused by tectonic plates getting stuck and putting a strain on the ground.

$\star\mathfrak \blue{hope \: this \: helps}\green \bigstar$