Volcanic Hazards Slides

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Volcanic Hazards Slides

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

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