Sinkhole - Wikipedia
A 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 also known as shakeholes , and to openings where surface water enters into underground passages known as ponor , swallow hole or swallet .
What is a sinkhole? | U.S. Geological Survey - USGS.gov
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.”
I have (or think I have) a sinkhole on my property. What should I …
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 | U.S. Geological Survey - USGS.gov
2018年6月9日 · 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 …
Sinkhole Maps, Information, and News | Tony's Sinkhole Maps
Fully Interactive Sinkhole Maps. Zoom in and out; Search by address, zip code, latitude and longitude; Change between Map and Satellite view
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What is a sinkhole? A geotechnical engineer explains - The …
2024年4月8日 · A sinkhole is basically a hole which appears to suddenly open up in the ground. However, the process that leads to a sinkhole is not so sudden and may have been developing over a long period.
What causes a sinkhole to form? - National Geographic
Sinkholes typically form when naturally acidic rainwater erodes underlying bedrock, creating damage beneath the surface. Their formation is most common in easily erodible karst terrains with...
Sinkhole - National Geographic Society
2024年7月3日 · A sinkhole is a hole in the ground that forms when water dissolves surface rock. This sinkhole sits in the Yucatan Peninsula in Mexico. Natural sinkholes in limestone, like this one, are called cenotes. People of Mexico have been using the freshwater that collects in cenotes since Maya times.
Who, What, Why: How are sinkholes formed? - BBC News
2013年3月4日 · A Florida man whose bedroom was engulfed by a sinkhole as he slept is presumed dead. How - and where - do sinkholes open up?
Henderson town house water crisis unearthed during sinkhole …
2024年8月28日 · Henderson uncovered what it called “dire” conditions of a water distribution system at a townhouse complex this month when it made an emergency repair to a sinkhole that had partially swallowed a...