1. Down to Earth

2. The Restless Planet

3. Earth's Interior

4. The Sea Floor

5. The Birth of a Theory

6. Plate Dynamics

7. Mountain Building

8. Earth's Structures

9. Earthquakes

10. Geologic Time

11. Evolution Through Time

12. Minerals: The Materials of Earth

13. Volcanism

14. Intrusive Igneous Rocks

15. Weathering and Soils

16. Mass Wasting

17. Sedimentary Rocks: The Key to Past Environments

18. Metamorphic Rocks

19. Running Water I: Rivers, Erosion and Deposition

20. Running Water II: Landscape Evolution

21. Groundwater

22. Wind, Dust and Deserts

23. Glaciers

24. Waves, Beaches and Coasts

25. Living With Earth, Part I

26. Living With Earth, Part II

Episode 16. Mass Wasting

What is mass wasting?

Why does mass wasting occur everywhere?

How do human activities help trigger mass wasting events?

Describe how the angle of a slope affects mass wasting.

Describe how water in the ground contributes to mass wasting.

What is creep, and what causes it to occur?

What is slump?

Discuss landslides at Portuguese Bend.

How has road building contributed to the problems?

Why are many Portuguese Bend landowners unable to move?

Discuss mudflows and debris flows.

Describe rock slides.

What factors do engineering geologists look at when studying slope stability?

How do heavy rains contribute to mud and debris flows?

How does human activity contribute to mass wasting processes?

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