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Landslides

Landslides. Total damages costs since 1900. Wave. Drought. Volcano. Extreme Temp. Storm. Flood. Slide. Earthquake. For all the natural hazard the global costs have been increasing. Total damages costs since 1900. Wave. Drought. Volcano. Extreme Temp. Storm. Flood. Slide.

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Landslides

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  1. Landslides

  2. Total damages costs since 1900 Wave Drought Volcano Extreme Temp Storm Flood Slide Earthquake For all the natural hazard the global costs have been increasing

  3. Total damages costs since 1900 Wave Drought Volcano Extreme Temp Storm Flood Slide Earthquake In term of costs Earthquakes, Tropical Storms, and Floods are the most expensive “geological” hazards Epidemic and Famine have been historically the most devastating in term of casualty Plague in middle age killed 1 every 3 european, Spanish Flu Pandemic 1920 30 million

  4. Landslides cost In US landslide cost an Average of 1 billion $ per year And ~25 casualty per yr (USGS web page) In New Zealand landslides Causes an average of 3.5 millions NZ$ of damages Per year.

  5. Slope stability Effect of grain size and water

  6. Slope stability Effect of water

  7. Slope stability Summary

  8. Forces on a slope a

  9. Classification ROCKS REGOLITH FALL SLIDES FLOW FAST SLOW

  10. Classification

  11. Classification

  12. Classification ROCKS Fall Flow/Avalanches Slide

  13. Classification

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