An Avalanche of Dirt: The Landslide

The video explores various natural disasters, focusing on landslides, their causes, triggers, types, and impacts. It discusses factors like slope, sturdiness, and water, and triggers such as floods, earthquakes, volcanoes, and human activities. The video also covers types of landslides, including falls, slides, and flows, and highlights the importance of recognizing warning signs and being prepared for safety.

What is a landslide in geological terms?

• A large wave caused by an underwater earthquake

• A severe storm with high winds

• A flow of rock, earth, or debris down a slope

• A sudden eruption of a volcano

Which factor increases the likelihood of a landslide?

• Steep slope

• Flat terrain

• Dry climate

• Dense vegetation

How can human activities trigger landslides?

• By constructing buildings on stable ground

• By planting more trees

• By altering the slope of the land

• By reducing water usage

What type of landslide involves rocks falling through the air?

• Slides

• Falls

• Creeps

• Flows

Which historical event was triggered by the eruption of Mount Saint Helens?

• A massive earthquake

• A large landslide

• A severe hurricane

• A devastating flood

What is a warning sign of a potential landslide?

• Clear skies

• Sudden drop in temperature

• Increased bird activity

• New cracks in the ground

What should you do if you are outside during a landslide?

• Seek shelter under a tree

• Run towards the landslide

• Stay in an open field

• Move to higher ground