“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 ...

There are two categories of change that create sinkholes. One type is associated with carbonate rock. This is a type of rock ...

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

REPAIR work to fix a giant sinkhole that opened up in Dunbar continued across the weekend despite challenging weather.

State Department of Environmental Protection in coming weeks will complete repair of the sinkhole on Lincoln Avenue in ...