Sinkhole | search
Click here to view Sinkhole news from 60+ newspapers.
Bookmark or Share- Sinkhole - WikipediaA sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline, enclosed depressions that are locally also known as vrtače and shakeholes, and to openings where surface water enters into underground passages known as ponor, swallow hole or swallet.
- Sinkholes | U.S. Geological Survey - USGS.govWhat is a "sinkhole"? A sinkhole is an area of ground that has no natural external surface drainage--when it rains, the water stays inside the sinkhole and typically drains into the subsurface. Sinkholes can vary from a few feet to hundreds of acres and from less than 1 to more than 100 feet deep.
- What is the difference between a sinkhole and land subsidence?A sinkhole is a depression in the ground that has no natural external surface drainage. Basically, this means that when it rains, all of the water stays inside the sinkhole and typically drains into the subsurface. Sinkholes are most common in what geologists call, “karst terrain.”.
- Sinkholes | National GeographicSinkholes are cavities in the ground that form when water erodes an underlying rock layer. Two types of sinkholes exist. One forms when the roof of a cave collapses and exposes the underground...
- What is a sinkhole? | U.S. Geological Survey - USGS.govA sinkhole is a depression in the ground that has no natural external surface drainage. Basically, this means that when it rains, all of the water stays inside the sinkhole and typically drains into the subsurface. Sinkholes are most common in what geologists call, “ karst terrain .”.
More
