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Mass movements can be triggered by natural events such as earthquakes, heavy rainfall causing landslides, or volcanic eruptions. Human activities like deforestation, mining, and construction can also destabilize the land and lead to mass movements. Additionally, factors like steep slopes, weak soil structure, and saturation of the ground can contribute to triggering mass movements.
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Which does not usually trigger mass movement?
Individuals walking does not usually trigger mass movement. Mass movements are typically triggered by natural events such as heavy rainfall, earthquakes, volcanic eruptions, or human activities like deforestation and construction.
Which factor does not commonly trigger mass movement?
One factor that does not commonly trigger mass movement is vegetation cover. In fact, vegetation can help stabilize slopes and reduce the likelihood of mass movement by absorbing water and providing root strength to hold soil in place.
What is the force behind mass movement what other factors can trigger mass movement?
Gravity is the force behind mass movements like landslides and rockfalls. Other factors that can trigger mass movements include heavy rainfall, earthquakes, volcanic activity, human activities like construction or deforestation, and changes in slope stability due to erosion or weathering.
What does not usually trigger mass movement?
Events that do not typically trigger mass movements include minor policy changes, individual scandals, or isolated incidents that do not resonate with a large portion of the population. Movements usually require a broader issue or grievance that affects a significant portion of society to gain momentum.
What event is least likely to trigger a mass movement on a slope?
An event that is least likely to trigger a mass movement on a slope is a gradual, sustained increase in temperature without any other contributing factors such as rainfall or seismic activity. This is because temperature alone typically does not have a direct impact on slope stability.
Which does not usually trigger mass movement?
Individuals walking does not usually trigger mass movement. Mass movements are typically triggered by natural events such as heavy rainfall, earthquakes, volcanic eruptions, or human activities like deforestation and construction.
Which factor does not commonly trigger mass movement?
One factor that does not commonly trigger mass movement is vegetation cover. In fact, vegetation can help stabilize slopes and reduce the likelihood of mass movement by absorbing water and providing root strength to hold soil in place.
Why can the removal of vegetation trigger mass movement?
Plant roots bind the soil and regolith together.
What is the force behind mass movement what other factors can trigger mass movement?
Gravity is the force behind mass movements like landslides and rockfalls. Other factors that can trigger mass movements include heavy rainfall, earthquakes, volcanic activity, human activities like construction or deforestation, and changes in slope stability due to erosion or weathering.
What does not usually trigger mass movement?
Events that do not typically trigger mass movements include minor policy changes, individual scandals, or isolated incidents that do not resonate with a large portion of the population. Movements usually require a broader issue or grievance that affects a significant portion of society to gain momentum.
When will the earth content of the soil on a hillside most likely trigger a mass movement?
When the soil is fully soaked with water, such as after heavy rains
What event is least likely to trigger a mass movement on a slope?
An event that is least likely to trigger a mass movement on a slope is a gradual, sustained increase in temperature without any other contributing factors such as rainfall or seismic activity. This is because temperature alone typically does not have a direct impact on slope stability.
Why do the Coastal Ranges of California have a high incidence of Mass Movement?
The Coastal Ranges of California have a high incidence of mass movement due to factors such as steep slopes, heavy rainfall, seismic activity, and soil composition. The combination of these factors can trigger landslides, rockslides, and other types of mass movements in the region.
What are the cycle of the mass movements?
Mass movements occur in a cycle of initiation, transportation, and deposition. Initiation involves the factors that trigger movement, such as rainfall or earthquakes. Transportation is the movement of material downslope, and deposition is the settling of material at the base of the slope. Over time, these processes can repeat and lead to further mass movements.
When will the water content of the soil on a hillside most likely trigger a mass movement?
The water content of the soil on a hillside is most likely to trigger a mass movement during heavy rainfall or after a period of prolonged precipitation. This increased water saturation can weaken the soil structure, causing it to become unstable and potentially lead to a landslide or mudslide. Factors such as steepness of the slope, soil composition, and vegetation cover also play a role in determining when a mass movement might occur.
What movement can a trigger finger not do?
Finger extension
What are the factors that can affect mass movement?
Mass movement refers to the movement of surface material due to gravity. Other factors that can trigger mass movement are deforestation, saturation of surface materials with water, earthquakes and flash floods.
