Question
Download Solution PDFWhich of the following category of surface waves produces only horizontal motion?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Love waves
Key Points
- When the body waves of earthquake waves interact with surface rocks, a new set of waves is generated called surface waves.
- Surface waves are also transverse waves in which particle movement is perpendicular to the wave propagation.
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Two common surface waves are Love waves and Rayleigh waves.
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Love waves cause horizontal shifting of the earth during an earthquake.
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Confined to the surface of the crust, Love waves produce entirely horizontal motion.
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A Rayleigh wave rolls along the ground just like a wave rolls across a lake or an ocean.
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Most of the shaking felt from an earthquake is due to the Rayleigh wave, which can be much larger than the other waves.
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