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The most destructive earthquake waves are ___________. A primary waves B secondary waves C surface waves D all of these

The most destructive earthquake waves are ___________.

A

primary waves

B

secondary waves

C

surface waves

D

all of these

 
 

Grade:12th pass

1 Answers

Mayank Ranka
askIITians Faculty 214 Points
6 months ago
During an earthquake, surface waves are the seismic waves that cause the most damage. Unlike other seismic waves that move deep inside the Earth, surface waves move along just under the surface of the Earth like waves in water. Surface waves are the slowest seismic waves and are the final waves to hit an area after an earthquake. First, P-waves move through compression through the deep layers of the Earth. They result in minimal damage. The second group of waves is S-waves. They move up and down starting deeper in the Earth. Stronger S-waves do some damage when they reach the surface. Surface waves move in last. Their slow roll just under the surface provides the greatest risk for damage to man-made structures and changes to natural landforms

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