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  2. How dangerous are sinkholes? What to know amid search for ...

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    Where are sinkholes most common in the US? Florida, Texas, Alabama, Missouri, Kentucky, Tennessee and Pennsylvania are the U.S. states where sinkholes are most likely to open up, according to the ...

  3. Sinkhole - Wikipedia

    en.wikipedia.org/wiki/Sinkhole

    Sinkholes are common where the rock below the land surface is limestone or other carbonate rock, salt beds, or in other soluble rocks, such as gypsum, [11] that can be dissolved naturally by circulating ground water. Sinkholes also occur in sandstone and quartzite terrains. As the rock dissolves, spaces and caverns develop underground. These ...

  4. List of sinkholes - Wikipedia

    en.wikipedia.org/wiki/List_of_sinkholes

    2018 Surabaya City sinkhole – a 30 m (98 ft) wide and 15 m (49 ft) deep sinkhole opened up on Gubeng Road in Surabaya, Indonesia during construction work on December 18, 2018. 2022 Tierra Amarilla sinkhole – a 25 m (80 ft) wide and more than 200 m (700 ft) deep sinkhole appeared in the commune of Tierra Amarilla , Atacama Region of Chile ...

  5. List of karst areas - Wikipedia

    en.wikipedia.org/wiki/List_of_karst_areas

    Shaanxi tiankeng cluster, discovered in 2016, it is one of the largest in the world comprising forty-nine sinkholes and more than fifty funnels ranging from 50–100 metres in diameter. South China Karst, World Heritage Site; Stone Forest; Xiaozhai Tiankeng, also known as the Heavenly Pit, is the world's largest sinkhole. [3]

  6. Where are most sinkholes located in Florida? There's a region ...

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    Sinkholes are so common in Florida that the state requires insurance providers to offer sinkhole insurance. But what region of the state has the most?

  7. Hazardous sinkholes are common in parts of Pennsylvania. Here ...

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  8. Cenote - Wikipedia

    en.wikipedia.org/wiki/Cenote

    A cenote (English: / s ɪ ˈ n oʊ t i / or / s ɛ ˈ n oʊ t eɪ /; Latin American Spanish:) is a natural pit, or sinkhole, resulting when a collapse of limestone bedrock exposes groundwater. The term originated on the Yucatán Peninsula of Mexico, where the ancient Maya commonly used cenotes for water supplies, and occasionally for ...

  9. PHOTOS: Sinkholes as deep as eight-story buildings form along ...

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