Land Subsidence

Post on 01-Sep-2014

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Transcript of Land Subsidence

Land Subsidenc

e

Gradual settling or sudden sinking of

the earth’s surface due to movement of earth materials

CAUSES

1.Excessive ground water extraction2. Removal of underlying supporting materials by mining

EFFECTS

floodingAmplify the power of earthquake

Changes in elevation

Thank you Madame

Bautista & IV- SE3