37+ Earth Sinkholes Gif. Today we're doing the top five largest sinkholes caught on camera! According to the united states geological survey (usgs), sinkholes are pits in the ground that occur in areas where water collects without external drainage.

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Some of the world's most famous sinkholes are seemingly endless pits that swallow trees, cars and however, the term can be used in a broader sense to describe any sudden slump of the earth's. A sinkhole is a hole or depression in the ground that forms either gradually or instantly. You can usually identify them as circular or oval low.

A sinkhole is a depression in the ground that has no natural external surface drainage.

Sinkholes can be quite small or rather large, and are a danger mostly because they can often occur. It begins with an innocuous leak in a rusty pipe. The solid ground beneath our feet can, on rare occasions, simply open up without warning, dropping whatever it was supporting into an unpredictably deep hole. You can usually identify them as circular or oval low.