Erosion also breaks up the rocks that are carried by the river. Landslides are occasional, rapid movements of a mass of earth or rock sliding along a steep slope. They can occur after periods of ...

Lemnitzer said there are two types of land movement. "We see those types of landslides in either surficial ... and then it ...

Officials said this week that the continuing acceleration of the landslide renews concerns over what could happen when ...