Johannasburg Sinkhole Opens after Tunnel Collapse

A large sinkhole near Dunedin, Florida destroyed two homes, but the occupants were not injured. The 90′ diameter by 50′ deep sinkhole opened up in an area of Florida that is prone to sinkhole activity. […]

A sinkhole the size of 4 football fields has opened up in Dover, Ohio. The sinkhole is located near a Lake where an Asphalt company has been dredging for sand some 50 feet below the […]

The Florida Geological Survey probably deals with more sinkholes than most agencies. The most frequent geologic cause of sinkholes is dissolution of limestone and other soluble rocks and the collapse of the soil cover over […]