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

9. Primary Hazard – Ash Fall

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

41. Siberian Traps 240 mya