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- 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 ”
- Sinkholes | U. S. Geological Survey - USGS. gov
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 causes sinkholes, and why are they so dangerous? - USA TODAY
A sinkhole is a hole or deep depression in the ground that opens up when layers of certain types of rock – usually limestone, carbonate rock and salt beds – dissolve beneath the surface and
- Sinkhole - National Geographic Society
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
- Sinkholes: causes, risks, and how to prevent them
Sinkholes are enclosed depressions commonly formed by the subsurface dissolution of soluble rocks and or the downward displacement of materials These processes can lead to ground settlement or sudden surface collapse
- Sinkholes: What They Are, How They Form, And Their Potential Dangers
Sinkholes are sudden depressions or holes that appear on the Earth’s surface when the ground collapses These phenomena can cause significant damage to infrastructure and pose serious risks to human safety
- Water main break causes huge sinkhole that led to crash involving EMS . . .
The sinkhole opened up on Harrisburg Pike between Hemlock Drive and Route 741 McGovernville Road in East Hempfield Township, just before 11 p m Dispatch said at least two vehicles were involved
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