Question

define earthquake ?​

Answer 1

Explanation:

a sudden violent shaking of the ground, typically causing great destruction, as a result of movements within the earth's crust or volcanic action.

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Answer 2

Answer:

earthquake. [ ûrth′kwāk′ ] A sudden movement of the Earth's lithosphere (its crust and upper mantle). Earthquakes are caused by the release of built-up stress within rocks along geologic faults or by the movement of magma in volcanic areas. They are usually followed by aftershocks.

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