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  • Understanding the science of sinkholes

    Sinkholes are most common in “karst terrain” where the type of rock below the land surface, like limestone, can naturally be dissolved by groundwater, according to the USGS. When water dissolves these types of rock, spaces and caverns develop underground. If there's not enough support for the land above the spaces, the land surface can suddenly collapse.

Understanding the science of sinkholes

Sinkholes are most common in “karst terrain” where the type of rock below the land surface, like limestone, can naturally be dissolved by groundwater, according to the USGS. When water dissolves these types of rock, spaces and caverns develop underground. If there's not enough support for the land above the spaces, the land surface can suddenly collapse.
USGS