stream or waves under-cutting

10. There is a steep soil slope covered with trees and brush. Which events could increase the chance or trigger slope failure (landslide)?

Select one:

a. increase in steepness due to stream or waves under-cutting or development (road-cut)

b. addition of weight or water to the slope through development or irrigation

c. a wet storm

d. wildfire or logging destroying vegetation

 

e. all of the these