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Sinkhole - Wikipedia

en.wikipedia.org/wiki/Sinkhole

A sinkhole, also known as a cenote, sink, sink-hole, shakehole, swallet, swallow hole, or doline is a depression or hole in the ground ...

How Sinkholes Form - St. Johns River Water Management District

www.sjrwmd.com/watersupply/howsinkholesform.html

As the limestone dissolves, pores and cracks are enlarged and carry even more acidic water. Sinkholes are formed when the land surface above collapses or ...

Who, What, Why: How are sinkholes formed? - BBC News - BBC.com

www.bbc.com/news/magazine-21600410

Mar 4, 2013 ... A Florida man whose bedroom was engulfed by a sinkhole as he slept is presumed dead. But how do these sinkholes form?

www.ask.com/youtube?q=How Are Sinkholes Formed?&v=tQvv8YFCGsY
Mar 2, 2013 ... Sinkholes are eating up buildings! You've seen 'em on the news, maybe even in your own neighborhoods... but what exactly causes them in ...

What are sinkholes, how do they form and why are we seeing so ...

www.independent.co.uk/news/science/sinkholes-what-are-they-how-do-they-form-and-why-are-we-seeing-so-many-9136235.html

Feb 18, 2014 ... The UK seems to be suffering from a plague of sinkholes. ... Naturally, it's the latter type that create headlines, but both varieties are formed by ...

Causes, Effects and Types of Sinkholes - Conserve Energy Future

www.conserve-energy-future.com/causes-effects-and-types-of-sinkholes.php

Humans are also responsible for the formation of sinkholes. Activities like drilling, mining, construction, broken water or drain pipes, improperly compacted soil ...

What Sinkholes Are and Why They Are Dangerous - ZME Science

www.zmescience.com/other/science-abc/science-abc-sinkholes/

Jan 9, 2016 ... The most impressive sinkholes form in thick layers of homogenous limestone. Their formation is facilitated by high groundwater flow, often ...

Why Sinkholes Open Up - National Geographic News

news.nationalgeographic.com/news/2013/08/130812-florida-sinkhole-disney-world-explainer-urban-science/

Aug 13, 2013 ... A sinkhole is basically any collapsed or bowl-shaped feature that's formed when a void under the ground creates a depression into which ...

How Sinkholes Work | HowStuffWorks

science.howstuffworks.com/nature/natural-disasters/sinkhole.htm

Most sinkholes occur in areas where the bedrock is formed from soft minerals and rocks like salt, gypsum, limestone, dolomite or others belonging to the ...

What Causes Sinkholes to Form? - AccuWeather

www.accuweather.com/en/weather-news/sinkholes-proven-to-be-dangero/10802869

Apr 25, 2013 ... Heavy rain can contribute to sinkhole formation, but sinkholes can also be manmade.