Un corrimiento de tierra, deslave o derrumbe, es un desastre relacionado con las avalanchas, pero en vez de nieve lleva tierra, rocas, árboles, casas, etc. Los corrimientos de tierra pueden ser provocados por terremotos, erupciones volcánicas o inestabilidad en las zonas circundantes, así como explosiones causadas por el hombre para construcciones.Los corrimientos (deslaves) de barro o lodo son un tipo especial de corrimiento cuyo causante es el agua que penetra en el terreno por lluvias fuertes, modificándolo y provocando el deslizamiento. Esto ocurre con cierta regularidad en varios lugares como California durante los períodos de lluvias.

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A landslide, also known as a landslip, is a form of mass wasting that includes a wide range of ground movements, such as rockfalls, deep failure of slopes, and shallow debris flows. Landslides can occur in underwater, called a submarine landslide, 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. Landslides should not be confused with mud flows, a form of mass wasting involving very to extremely rapid flow of debris that has become partially or fully liquefied by the addition of significant amounts of water to the source material.

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