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← GeographyWhich risk increases after prolonged aquifer depletion near a major fault line?
A)Induced seismicity from increased crustal stress✓
B)Volcanic eruption due to magmatic uplift
C)Landslide occurrence from soil saturation
D)Tsunami generation from submarine slumping
💡 Explanation
When aquifers are significantly depleted, isostatic rebound occurs because the reduced water weight adds stress to the fault line, lowering the effective normal stress and potentially triggering earthquakes. Therefore enhanced seismicity results due to induced stress, rather than volcanic eruptions, landslides or tsunamis which require distinct triggering mechanism.
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