a: seismic waves ~
b: ripples in water

What:

"When an earthquake occurs, it releases waves of energy, which are known as Seismic waves. It is like the ripples created in water if you throw a stone in it. Seismic waves are like those ripples which can travel through the inside of the earth, as well as on the surface."


Useful?
Writer: Not Stated
LCC:
Where:
Date: Mar 24 2018 3:42 PM


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