Which effect occurs when a major earthquake ruptures a strike-slip fault zone beneath a large dam?

A)Reservoir-induced seismicity amplification

B)Liquefaction-induced dam foundation failure✓

C)Tsunami generation in the reservoir

D)Localized orographic lift enhancement

💡 Explanation

When an earthquake ruptures a strike-slip fault under a dam, ground shaking occurs because seismic waves propagate through the earth, causing loosely packed, waterlogged sediments in the dam's foundation to lose strength through liquefaction. Therefore foundation failure is likely, rather than seismicity amplification etc. which depend on slower effects.

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Which effect occurs when a major earthquake ruptures a strike-slip fault zone beneath a large dam?

💡 Explanation

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