Landslide

Science / Geology / Landslide: The rapid downslope movement of soil and rock material, often lubricated by groundwater, over a basal shear zone: also the tongue of stationary material deposited by such an event.

Tsunami

Science / Geology / Tsunami: A large sea wave normally produced by sudden movement of the ocean floor caused by an earthquake or volcanic eruption. These waves can travel at high speeds across an ocean basin and cause great destr MORE

Mass Wasting

Science / Geology / Mass Wasting: A general term used for any downslope movement of rock, soil, snow or ice under the influence of gravity. Includes: landslides, creep, rock falls and avalanches. MORE

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