Question

what is meant by earthquake ?
in short note​

Answer 1

Answer:

An earthquake is a sudden shaking movement of the surface of the earth. It is known as a quake, tremblor or tremor. Earthquakes can range in size from those that are so weak that they cannot be felt to those violent enough to toss people around and destroy whole cities. ... An earthquake is measured on Richter's scale

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Answer 2

ANSWER :

An earthquake is the sudden movement or trembling of the Earth's tectonic plates, resulting in shaking of the ground. There can be many earthquakes over a short time frame in a small area. The sudden release of tension in the tectonic plates sends waves of energy that travel through the Earth.

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