The phenomenon is most common in Florida, Texas, Alabama, Missouri, Kentucky, Tennessee and Pennsylvania, according to the U.S. Geological Survey. The ground beneath these states is rich in easily dissolved rocks such as limestone, carbonates and salt beds. When groundwater flows through these rocks, it eats away at them, leaving behind subterrean holes and caverns. When the roof of one of these caverns collapses, it takes the land above down with it.
Some sinkholes give way gradually and are filled in dirt or sand from above. Others erode from the surface when easily dissolved rocks are exposed to rain and wind.
News about sinkholes
In the northern part of Guatemala City, the downpour created a giant sinkhole that swallowed up a space larger than the area of a street intersection. Residents told CNN that a three-story building and a house fell into the hole.
A local newspaper reported that a private security guard was killed when the sinkhole opened up, but authorities had not confirmed the fatality. Residents said that a poor sewage drainage system underground was to blame for the sinkhole.
Honey were are are summer house
Monday, Aug. 12th 2013 at 4:30pm
Clermont, Florida, United States
This destoried a family in florida summer house.