Which is the largest known sinkhole on Earth?
Quick Answer
The Xiaozhai Tiankeng in China is often described as the largest known sinkhole by depth and volume. It is a vast natural collapse feature more than 600 meters deep.
The Full Story
Xiaozhai Tiankeng, in Chongqing, China, is widely regarded as the world’s largest sinkhole, with a depth of more than 600 meters and enormous width and volume. The feature formed in karst limestone terrain through the collapse and erosion of underground passages. Its scale is so great that it contains a lush ecosystem at the bottom, separated from the surface by steep walls. Tiankengs like Xiaozhai are important for understanding karst processes and groundwater systems.
Key Facts
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