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Volcanic Hazards Slides

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  • 1. Volcanic Hazards
  • 2. Primary Hazard – Ash Fall
  • 3. Primary Hazard – Ash Fall
  • 4. Primary Hazard – Ash Fall
  • 5. Primary Hazard – Ash Fall
  • 6. Primary Hazard – Ash Fall
  • 7. Primary Hazard – Ash Fall
  • 8.
  • 9. Primary Hazard – Ash Fall
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
  • 15. Primary Hazard – Lava Flow
  • 16. Primary Hazard – Lava Flow
  • 17. Primary Hazard – Lava Flow
  • 18. Primary Hazard – Lava Flow
  • 19. Primary Hazard – Pyroclastic Flow
    200 km/hr (125mph)
  • 20. Primary Hazard – Pyroclastic Flow
  • 21. Primary Hazard – Pyroclastic Flow
  • 22. Primary Hazard – Pyroclastic Flow
  • 23. Primary Hazard – Volcanic Gases
    CO2
    H2O
    SO2
    NOx
  • 24. Primary Hazard – Volcanic Gases
  • 25. Primary Hazard – Volcanic Gases
  • 26. Primary Hazard – Volcanic Gases
  • 27. Lake Nyos, Central Africa, August 1986
  • 28. Lake Nyos, Central Africa, August 1986
  • 29. Secondary Hazards - Lahar
  • 30. Secondary Hazards - Lahar
  • 31. Secondary Hazard - Lahar
  • 32. Deadly Lahars from Nevado del Ruiz, ColombiaNovember 13, 1985
  • 33. Deadly Lahars from Nevado del Ruiz, ColombiaNovember 13, 1985
  • 34. Deadly Lahars from Nevado del Ruiz, ColombiaNovember 13, 1985
  • 35. Deadly Lahars from Nevado del Ruiz, ColombiaNovember 13, 1985
  • 36. Tertiary Hazard – Global Climate Changes
    1883
    1828
    William Ascroft
    J. Turner
    Edvard Munch
  • 37. Tertiary Hazard – Global Climate Change
    Mt Tambora, 1815
    Mt Krakatau, 1883
    ,
  • 38. Tertiary Hazard – Global Climate Change
    Mt Pinatubo, 1991
  • 39. Tertiary Hazard – Global Climate Change
  • 40.
  • 41. Siberian Traps
    240 mya