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  2. Sinkholes take time to develop, most people just don't notice

    www.aol.com/sinkholes-time-develop-most-people...

    With depths that can be more than 10 feet, they can be dangerous and need to be filled. And, yes, sinkholes are often weather dependent. “Sinkholes of the South Jersey variety can happen anytime ...

  3. Sinkhole - Wikipedia

    en.wikipedia.org/wiki/Sinkhole

    The Red Lake sinkhole in Croatia. 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.

  4. Zacatón - Wikipedia

    en.wikipedia.org/wiki/Zacatón

    Using an autonomous robot, the underwater portion of Zacatón has been measured to be 319 meters (1,047 ft) deep (a 20-meter (66 ft) difference between the rim of cliff and surface of water adds to the total depth). [2] Zacatón is the only sinkhole of the five located in Rancho La Azufrosa to have any noticeable water flow. [3]

  5. New Jersey sinkhole: Photos show 40-foot-deep depression on ...

    www.aol.com/jersey-sinkhole-photos-show-40...

    Traffic can be seen backing up Thursday on Interstate 80 due to a sinkhole near Wharton, New Jersey. In the past 15 years, sinkhole damage has cost an average of $300 million a year in the United ...

  6. Floridan aquifer - Wikipedia

    en.wikipedia.org/wiki/Floridan_Aquifer

    Image of the entire surface water flow of the Alapaha River near Jennings, Florida going into a sinkhole leading to the Upper Floridan aquifer. Sinkholes are common where the rock below the land surface is limestone, carbonate rock, salt beds, or rocks that can naturally be dissolved by groundwater circulating through them. As the rock ...

  7. Ocean City sinkhole: How are they formed, and what can cause ...

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    A sinkhole was discovered at on Wednesday evening near the base of Ocean City's Isle of Wight Bay Bridge, Route 90. Here's what caused it, plus more. ... and seal off any gaps to prevent water ...

  8. Injection well - Wikipedia

    en.wikipedia.org/wiki/Injection_well

    Treated wastewater can be injected into the ground between impermeable layers of rocks to avoid polluting surface waters. Injection wells are usually constructed of solid walled pipe to a deep elevation in order to prevent injectate from mixing with the surrounding environment. [1]

  9. Suffosion - Wikipedia

    en.wikipedia.org/wiki/Suffosion

    Suffosion sinkholes are normally associated with karst topography although they may form in other types of rock including chalk, gypsum and basalt. In the karst of the UK's Yorkshire Dales, numerous surface depressions known locally as "shakeholes" are the result of glacial till washing into fissures in the underlying limestone. [citation needed]