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Subsidence

Subsidence. Week 7. Questions for Discussion. Would you live in an area prone to subsidence? If so, where? What level of risk from subsidence is acceptable to you? (How would you know if the subsidence risk was assessed accurately?)

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Subsidence

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  1. Subsidence Week 7

  2. Questions for Discussion • Would you live in an area prone to subsidence? If so, where? • What level of risk from subsidence is acceptable to you? (How would you know if the subsidence risk was assessed accurately?) • What should be done by people and communities in areas prone to subsidence to prepare for the hazard and prevent catastrophe?

  3. Other Questions to Consider • What factors impact subsidence? • The five concepts form Chapter 1

  4. Subsidence Causes: Natural • Cave Collapse • Expandable soils • Tectonic movement

  5. Subsidence Causes:Human Induced • Groundwater loss • Mining

  6. Impact of Mass Movements • Structural damage • Surface disruption

  7. Sinkhole

  8. Addressing Subsidence • Identification & mapping • Planned subsidence • Insurance Potentially Undermined Areas Karst Prone Areas

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