What phenomenon occurs when saturated soil temporarily loses strength and stiffness during an earthquake, acting like a liquid?
Answer and explanation
Correct answer: A. soil liquefaction
- Step 1: Soil liquefaction occurs when earthquake shaking increases pore water pressure in loose, saturated sands, causing the soil to behave like a fluid. Answer: soil liquefaction. Why not the others: Ground rupture is surface fault displacement; sinkholes occur in limestone karst.
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