GG231 Lecture Notes - United States Geological Survey, Rain Gauge, Surface Runoff
Document Summary
The region experienced heavy snowfalls and unusually warm temperatures in april. Lessons learned: large landslides cannot be prevented difficult to monitor as well, geology is important underlying cause of most landslides. The type of rock, the dip direction, the presence of faults and the degree of fracturing of rock: human activity can trigger landslides coal mining in this case. Mass wasting and landslide downslope movements of rock or sediment as a result of gravity. It can be slow or fast and can involve small or large volumes of sediment or rock. Topple slow creep like movement in which a rock mass pivots about a point. 1965 hope slide - january 1965 a huge mass of rock slid away from johnston peak (bc). The mass can rapidly transform into a turbid flow or mud, sand, and water an then travel hundreds of kms along the seafloor.
