Rotational slip is a type of mass movement that occurs on hillsides or cliffs, where layers of soil or rock slide downwards along a curved surface. Imagine slices of cake on a plate slipping down together, but with the Earth's surface. This process is also known as slumping and happens as a result of gravity, particularly when the ground is soaked with water after heavy rain. The added weight makes the ground unstable. Rotational slip is an important concept in geography because it helps us understand how landscapes change and how we can plan to reduce the risks of landslides.
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