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← GeographyWhich mechanism increases landslide risk following intense rainfall near strike-slip fault zones?
A)Liquefaction of saturated granular soils✓
B)Uplift from increased pore water pressure
C)Weathering from acid rain formation
D)Seismic shaking from fault creep events
💡 Explanation
When intense rainfall occurs, liquefaction can occur because saturated granular soils lose strength due to increased pore water pressure, destabilizing slopes near fault zones. Therefore, liquefaction leads to landslide risk increase, rather than uplift, weathering, or shaking which require different geological processes or sources of instability.
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