Researchers from NASA's Jet Propulsion Laboratory used airborne radar to measure activity of the slow-moving Palos Verdes Peninsula landslide, which showed movement by as much as 4 inches per week.

Slow-moving slides are common around the world, and especially in California, where several hundred have been mapped in ...

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 ...

Orange County communities built on hillsides prepare for possible landslides that may be caused by the powerful winter ...

The British Geological Survey defines a landslide as a mass movement of material, such as rock, earth, or debris moving down a slope. Landslides can happen suddenly or slowly and can be caused by ...