What Are The Factors That Cause Sinkholes To Form?

What Are The Factors That Cause Sinkholes To Form? Decline of water levels – drought, groundwater pumping (wells, quarries, mines) Disturbance of the soil – digging through soil layers, soil removal, drilling. Point-source of water – leaking water/sewer pipes, injection of water. What causes potholes and sinkholes to form? Potholes are holes in the roadway