What could have caused this particular sinkhole?

However, as the concentration of acid rain increases from pollution, you can expect to see the frequency of sinkholes increase. ... Because at one point in Florida's geologic history is was one big reef! meaning almost all of its underlying rock is limestone. ... Geology: What could have caused this particular sinkhole? read more

Maybe it was limestone or sandstone undercut and weakened by water that caused it to collapse. Western Kansas is lousy with - just look at Castle Rock, Post-rock Country, Mushroom Rocks, the remnants of inland oceans preserved at FHSU- so it's not outside the realm of possibility. read more

A sinkhole is created in the limestone due to a continuous flow of water dissolving the rock, this could either be due to a natural stream of due to a long term leakage from a faulty drainage system. read more

Water from broken pipe can penetrate through mud and rocks and erode the ground underneath and cause sinkholes. Sometimes, heavy weight on soft soil can result in collapse of ground, resulting in a sinkhole. Sinkholes can also form when the land surface is changed. read more