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Landslide!. Jocelyn Garling Spring 2013 P.A.C.E . . Landslide in the Caribbean.
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Landslide! Jocelyn Garling Spring 2013 P.A.C.E.
Landslide in the Caribbean • Landslide: The sliding down of a mass of earth or rock from a mountain or cliff. The tsunami is expected to be generated when a major landslide, on the island of Dominica about 30 miles (50 kilometers away) plunges up to a million tons of rock into the sea. This landslide was devastating and there was more damage because this landslide happened right after a tsunami in the Caribbean!
Where Landslides usually occur! Landslides usually occur in the Australian State and Territory! These landscapes are commonly characterized by cliffs, steep slopes of colluviums deposits or gentle slopes of unstable geology and slopes which have been subjected to periods of prolonged or intense rainfall.
When do Landslides usually happen? • Landslides typically occur after periods of heavy rain, when the ground has become waterlogged and unable to hold together. However, landslides can also be triggered by mining, leaking water pipes, earthquakes and volcanic eruptions.
What causes a landslide? A landslide happens when rocks and sediment loosen and roll down a slope (a slanted surface) quickly. One of the things that can cause a landslide is simply when the area is worn down by the weather. Water can cause another kind of weathering called chemical weathering. It is called chemical weathering because water can dissolve rocks and change their chemistry. Earthquakes can also make the rocks and soil unstable. They can come apart and lead to a landslide.
Video clip http://video.nationalgeographic.com/video/environment/environment-natural-disasters/landslides-and-more/landslides/