Sinkholes are not uncommon in Giles County, but a recent series of them have caused significant issues, including the ...

Blame karst. No, that’s not a person, it’s a thing, and you may be standing on karst right this minute. ... Dammit, Karst! Remembering the Sinkhole Corvettes, 10 Years Later.

An aerial photo taken in April 2020 shows the scenery of a giant karst sinkhole in China's Guangxi Zhuang Autonomous Region. A similar sinkhole was found earlier this month with an ancient forest ...

Cave explorers found a giant sinkhole in China's Guangxi region, according to Xinhua News Agency. Hidden inside the 630-feet-deep sinkhole is an ancient forest. Sinkholes are common in the region ...

From time to time, natural or man-made changes in the water table collapse this karst and create sinkholes. Those collapses can happen in minutes, and take months to settle.

Sinkholes usually happen in "karst terrain," which are landmasses with a soluble bedrock, usually limestone and gypsum. Over time, the bedrock starts dissolving and creates pores and cracks.

As seen in a Twitter video posted by the China state-affiliated media organization CGTN earlier this month, the karst sinkhole — formed by rainwater that dissolves bedrock — exceeds 5 million ...

Sinkholes are most common in karst terrains, where the rocks beneath the surface are limestone, carbonate rock, salt beds or another type of rock that is easily dissolved by running groundwater.

Karst is a “type of landscape where the dissolving of the bedrock has created sinkholes, sinking streams, caves, springs, and other characteristic features,” per the National Park Service.