Landslides Quiz

What is a landslide?

• The wearing away of rocks and soil by water

• The process of logging and developing forests

• A type of earthquake that causes the ground to shake

• A movement of mass rock, debris, or earth down a slope

What are some natural causes of landslides?

• Planting vegetation and controlling water run-off

• Building dams and canals, and mining

• Erosion, addition of moisture, and shocks/vibrations

• Overdevelopment and deforestation

What can overly steepen slopes and lead to landslides?

• Overdevelopment

• Erosion

• Deforestation

• Shocks and vibrations

What can saturate a hillside and cause a landslide?

• Glacier melting

• Wildfires

• Earthquakes

• Heavy rainfall

Which factor tends to produce the largest and most destructive landslides?

• Shocks and vibrations

• Erosion

• Wildfires

• Overdevelopment

What effect does deforestation have on landslides?

• It prevents erosion

• It controls water run-off

• It weakens slopes

• It causes heavy rainfall

What is the easiest solution for preventing catastrophic landslides?

• Building on steep slopes

• Planting vegetation

• Controlling water run-off

• Not building on steep slopes

What can be done to avoid landslides other than not building or living in landslide zones?

• Logging and developing forests

• Watering slopes

• Building dams and canals

• Planting vegetation and controlling water run-off

What is the main cause of landslide damage increasing every year?

• Erosion

• Overdevelopment

• Deforestation

• Building dams and canals

What is the recommended action to take when living in a landslide-prone area?

• Build on the edges of mountains

• Ignore warnings about landslides

• Log and develop forests

• Plant vegetation and control water run-off