Sinkholes mainly occur in what is known as ‘karst terrain’; areas of land where soluble bedrock (such as limestone or gypsum) can be dissolved by water. With cover-subsidence sinkholes the ...

Sinkholes can range in size from just a few feet wide to ones that cover a vast area spanning ... state's southwestern region is at risk for soil subsidence, where underground materials shift ...

There are two main types of sinkholes: those that form slowly over time (cover-subsidence sinkholes) and those that appear suddenly (cover-collapse sinkholes). While it is usually the latter type ...

Nashville is sinking, according to a new study published in the British journal Nature Cities. Here's what to know.

SEOUL – The Seoul Metropolitan Government announced on April 27 that it will introduce a ground subsidence monitoring network to prevent further sinkhole accidents. Safety accidents involving ...