Answer:
Earthquakes are vibrations in the Earth's crust that cause shaking at the surface. They are highly unpredictable and often occur suddenly without warning.
Explanation:
WHAT IS EARTHQUAKES DESCRIPRION
Earthquake is a term used to describe both sudden slip on a fault, and the resulting ground shaking and radiated seismic energy caused by the slip, or by volcanic or magmatic activity, or other sudden stress changes in the earth.
