Mass Movement

Question 1

Name 4 influences of mass movement.

Answer 1

1. Gradient
2. Water content
3. Human activity
4. Vegetation

Question 2

Soil creep

Answer 2

• Slowest type
• Must look very close to see
• Poles bend, walls break, ridges in the ground.

Question 3

Bog bursts

Answer 3

• Usually occurs on upland slopes

* The layers of peat on the bogland become saturated with rain.

Question 4

Mudflows

Answer 4

• Can be caused by volcanic activity

* Usually occurs when saturated regolith flow rapidly down slopes.

Question 5

Landslides

Answer 5

• Occurs when slopes become unstable.
• Earthquakes can sometimes cause landslides.
• Usually occur in areas undercut by road

Question 6

What is mass movement?

Answer 6

Mass movement is the movement of any loose weathered material down a slope under the influence of gravity.