 A landslide or landslip is a geological phenomenon which
includes a wide range of ground movement, such as rock falls, deep failure of
slopes and shallow debris flows, which can occur in offshore, coastal and
onshore environments. Although the action of gravity is the primary driving force for a landslide to
occur, there are other contributing factors affecting the original slope stability. Typically, pre-conditional
factors build up specific sub-surface conditions that make the area/slope prone
to failure, whereas the actual landslide often requires a trigger before being
released.
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