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lecture15

Table of Contents

  1. Mass Movements: Landscapes in Motion
  2. Why study landslides?
  3. Why study landslides?
  4. Why study landslides?
  5. Why study landslides?
  6. Why study landslides?
  7. Why study landslides?
  8. Why study landslides?
  9. Why study landslides?
  10. Why study landslides?
  11. Why study landslides?
  12. Why study landslides?
  13. Why study landslides?
  14. 15.1 What are the characteristics of mass movements?
  15. 15.1 What are the characteristics of mass movements?
  16. 15.1 What are the characteristics of mass movements?
  17. 15.1 What are the characteristics of mass movements?
  18. 15.1 What are the characteristics of mass movements?
  19. 15.1 What are the characteristics of mass movements?
  20. 15.1 What are the characteristics of mass movements?
  21. 15.1 What are the characteristics of mass movements?
  22. 15.1 What are the characteristics of mass movements?
  23. 15.1 What are the characteristics of mass movements?
  24. 15.1 What are the characteristics of mass movements?
  25. 15.1 What are the characteristics of mass movements?
  26. 15.1 What are the characteristics of mass movements?
  27. 15.1 What are the characteristics of mass movements?
  28. 15.2 What causes mass movements?
  29. 15.2 What causes mass movements?
  30. 15.2 What causes mass movements?
  31. 15.2 What causes mass movements?
  32. 15.2 What causes mass movements?
  33. 15.2 What causes mass movements?
  34. 15.2 What causes mass movements?
  35. 15.3 What factors determine slope stability?
  36. 15.3 What factors determine slope stability?
  37. 15.3 What factors determine slope stability?
  38. 15.3 What factors determine slope stability?
  39. 15.3 What factors determine slope stability?
  40. 15.3 What factors determine slope stability?
  41. 15.3 What factors determine slope stability?
  42. 15.4 When do mass movements occur?
  43. 15.4 When do mass movements occur?
  44. 15.4 When do mass movements occur?
  45. 15.4 When do mass movements occur?
  46. 15.4 When do mass movements occur?
  47. 15.4 When do mass movements occur?
  48. 15.5 How do we know ... how to map mass-movement hazards?
  49. Mt. St. Helens
  50. 15.5 How do we know ... how to map mass-movement hazards?
  51. 15.5 How do we know ... how to map mass-movement hazards?
  52. 15.5 How do we know ... how to map mass-movement hazards?
  53. 15.5 How do we know ... how to map mass-movement hazards?
  54. 15.6 How do mass movements sculpt the landscape?
  55. Mass movement
  56. 15.6 How do mass movements sculpt the landscape?
  57. 15.6 How do mass movements sculpt the landscape?

Text and Images from Slide

15.4 When do mass movements occur?

Image of a lahar in the Philippines.

Fig 15.24

A lahar in the Philippines in the wake of the eruption of Mt. Pinatubo (c. 1991). A lahar is a mixture of debris and ash saturated with water either from rain or from rapidly melted snow and ice from atop the volcano. Lahars such as this

buried whole cities, and in total they deposited a volume in the Philippines that would cover Washington D.C. to a depth of three stories.

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