Collapses (Rockfalls)
Definition :
Collapses involve the sudden fall of rock masses. A typical example is the collapse of a cliff section, which can result from:
Erosion of underlying layers
Evolution of pre-existing discontinuities (e.g., cracks)
Example :
As an example, the photo shows the rockfall at El Kantara cliffs, triggered by the widening of fissures.
