Audio Transcript Auto-generated
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Hello. I'm going to be um julie
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the recording for the
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tickets.
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Um Okay so we'll start with history.
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The top three worst sinkholes in history. Our number one
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katara depression,
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it's located in Cairo Egypt and it's considered to be the
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current is currently considered to be the worst current single.
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Um Seconds. I can't pronounce that.
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It's located in Russia and it gets worse every year.
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It's believed to be caused by sudden
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infiltration of groundwater into underground tunnels.
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Third Guatemala city,
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it does not actually have a name
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but it just suddenly collapsed killing two people and
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reportedly has an intolerable smile from breaking sewer lines.
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Okay
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some facts about singles.
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Okay so um back to one
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There are three types of singles
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including solution cover collapse and subsidence.
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That too
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sink clothes can be formed when floodwater brought by hurricane starts
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to recede and can happen randomly at any time without any signs
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fact. Three
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According to the usgs, about 20% of the US is suspect is susceptible to Sinkholes.
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Okay,
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description
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A sinkhole is described as sometimes being a large
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cavity in the ground often caused by floods.
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Okay.
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Okay.
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Second the characteristics
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it's quite often full of water
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and it's really just a large large hole there. Normally around a meter deep
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location
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sinkholes most likely occur in places such as florida texas,
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Alabama Missouri Kentucky Tennessee and pennsylvania
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location.
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I'm sorry. Um
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how they form sinkholes are caused by a variety of
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reasons but mostly because the land collapses from lots of all
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water like floodwater. They weakened. Its and also um
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the second worst sinkhole is actually caused by a collapsed mining tunnel.
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Personal connection. I have never actually experienced a sinkhole.
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These are my sources,
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mm hmm.
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And then how we can prevent them.
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Um we can prevent sinkholes by conserving
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water also by having drought restrictions.
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And it will also help
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ends that those will stop help to stop sink holes from forming.