Differentiate between: Landslides and Earth flow.
Differentiate between:
Landslides and Earth flow.
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| Landslides | Earth flow |
| (i) All types of mass movements of rock, debris, including soils and ice are collectively called landslides. | (i) Diagonal down slope movement of rock fragments and finegrained material along sliding plane with enough water is called earth flow. |
| (ii) Landslides occur on steep or gentle slope gradient, from mountain range to coastal cliffs. | (ii) Earth flow is more common or hillsides or valley sides having rich minerals. |
| (iii) Gravity is primary force for the landslide to occur, others are slope stability, heavy rainfall or earthquake. | (iii) The primary reason for Earth flow is continuous heavy rainfall which saturates the ground and increases the pour water pressure, and earth flow starts. |
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