Human Impact on Mass Movements

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  • Human Activity on Mass Movements
    • excavations
      • ground is removed to make ground more level for quarries
        • slope too steep = unstable
    • waste heaps
      • waste heaps from quarrying have steep slopes + highly porous
      • example - Aberfan
    • loading by building
      • increased mass increases landslip liability
    • loading by water
      • saturated rocks making them unstable
        • if saturated rocks shaken by a landslide liquefication might occur
    • removal of vegetation
      • increase surface run off + mudflows
    • traffic vibrations
    • quarrying + mining
      • blasting techniques - directly break down rock to retrieve ores + vibrations cause movement in particles


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