15 Questions
What is the term used to describe the speed of a mass-wasting event?
Rate
What does motion in the context of mass wasting refer to?
The direction in which the materials fall
Which of the following is NOT a factor that can cause mass wasting?
Wind erosion
What is shear strength in the context of mass wasting?
The cohesive forces that prevent mass wasting
How does mass wasting typically differ in terms of time between landslides and slumps?
Landslides occur in a matter of minutes, slumps take months
What is a primary cause of mass-wasting events like the one near Gorda, California?
Increased precipitation leading to oversaturation of soil
Why is vegetation essential in preventing mass wasting?
Roots help anchor the soil in place
What factor makes mass-wasting events more likely to occur on steep slopes?
Higher shear force within the slope
How do earthquakes contribute to mass-wasting events?
They decrease friction within geologic material
Which type of mass-wasting event is characterized by moving quickly down a slope and carrying debris like boulders and trees?
Debris flows
What are some examples of direct impacts of mass-wasting events?
Causing bodily harm to people and harming wildlife
How do mass-wasting events affect the economy?
Depress the economy by reducing tourism
What was a significant impact of mass-wasting events on Japan in July 2018?
Movement of entire portions of forest onto highways
What contributed to the high number of landslides in Japan in July 2018?
Earthquakes and seasonal rainfall
How did the mass-wasting events in the Himalayan mountains impact Nepal in 2021?
Significant investment in time and money for rebuilding
Explore the concept of mass wasting in geology, which involves the downward movement of rock, soil, and debris due to gravity. Learn about important measurements and different types of mass-wasting events, from landslides to slumps.
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