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Earth and Space Sciences · Glossary

What is Landslide?

Definition 12.4 Primary & Middle School Earth and Space Sciences · Chapter 12 — Natural Hazards

A landslide is a mass of rock, earth or mud that suddenly slides or falls down a slope.

A large landslide in Washington State, in the United States, in 2014, seen from an aircraft. The hillside on the right has collapsed; its mud has spread across the whole valley, covered a road and blocked the river, which has flooded the woods upstream. Photograph: Mark Reid, U.S. Geological Survey (public domain).
A large landslide in Washington State, in the United States, in 2014, seen from an aircraft. The hillside on the right has collapsed; its mud has spread across the whole valley, covered a road and blocked the river, which has flooded the woods upstream. Photograph: Mark Reid, U.S. Geological Survey (public domain).
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