Understanding Mass Wasting in Geology
15 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the term used to describe the speed of a mass-wasting event?

  • Pressure
  • Velocity
  • Rate (correct)
  • Force

    • What does motion in the context of mass wasting refer to?

  • The material composition of the debris
  • The force causing the mass-wasting event
  • The direction in which the materials fall (correct)
  • The speed at which the materials move

    • Which of the following is NOT a factor that can cause mass wasting?

  • Vegetation removal
  • Increased water
  • Wind erosion (correct)
  • Earthquakes

    • What is shear strength in the context of mass wasting?

    <p>The cohesive forces that prevent mass wasting</p> Signup and view all the answers

    How does mass wasting typically differ in terms of time between landslides and slumps?

    <p>Landslides occur in a matter of minutes, slumps take months</p> Signup and view all the answers

    What is a primary cause of mass-wasting events like the one near Gorda, California?

    <p>Increased precipitation leading to oversaturation of soil</p> Signup and view all the answers

    Why is vegetation essential in preventing mass wasting?

    <p>Roots help anchor the soil in place</p> Signup and view all the answers

    What factor makes mass-wasting events more likely to occur on steep slopes?

    <p>Higher shear force within the slope</p> Signup and view all the answers

    How do earthquakes contribute to mass-wasting events?

    <p>They decrease friction within geologic material</p> Signup and view all the answers

    Which type of mass-wasting event is characterized by moving quickly down a slope and carrying debris like boulders and trees?

    <p>Debris flows</p> Signup and view all the answers

    What are some examples of direct impacts of mass-wasting events?

    <p>Causing bodily harm to people and harming wildlife</p> Signup and view all the answers

    How do mass-wasting events affect the economy?

    <p>Depress the economy by reducing tourism</p> Signup and view all the answers

    What was a significant impact of mass-wasting events on Japan in July 2018?

    <p>Movement of entire portions of forest onto highways</p> Signup and view all the answers

    What contributed to the high number of landslides in Japan in July 2018?

    <p>Earthquakes and seasonal rainfall</p> Signup and view all the answers

    How did the mass-wasting events in the Himalayan mountains impact Nepal in 2021?

    <p>Significant investment in time and money for rebuilding</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser