One of the most common reasons for a sinkhole is when rocks like limestone or chalk break down. This happens because carbon ...

The soluble limestone and dolomitic rocks, combined with melting snow and rain showers, make spring a particularly vulnerable time of year for sinkholes to form, Muldoon said. Karst landscapes include ...

Fatalities are rare. What are sinkholes? A sinkhole is an area of ground that has no natural external surface drainage and can form when the ground below the land surface can no longer support the ...