“A sinkhole is a hole that opens up in the ground due to some change in the subsurface.” This simple definition, provided by hydrogeologist Laura Toran, sums up what is so chilling about sinkholes in ...

In early January, a giant sinkhole formed at an intersection in the West Oak Lane neighborhood of North Philadelphia after a ...

Another day, another sinkhole in Florida. — -- Another day, another sinkhole. The latest one to take place is in Florida. A family had minutes to escape before what appeared to be a sinkhole ...

Most sinkholes form in “karst terrain,” areas where bedrock consists of water-soluble rocks like limestone, gypsum, or salt.

A devastating sinkhole occurred in Florida on February 28, 2013, raising questions and concerns about this incredible phenomenon. Around 20% of the U.S. lies in areas susceptible to sinkhole events, ...