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Originally posted by harrytuttle
Most of these sink holes, you will notice, are right in the middle of or adjacent to paved streets. This is because right underneath or adjacent to streets are drainage ditches/pipes. These drainage ditches, if they begin to leak, can cause erosion underneath the streets. The streets channel a lot of water into these ditches/pipes. Over time, these small holes can develop huge cavities underneath the streets.
What you see here is the inevitable result of such problems. It really depends on the soil, rain amounts, and storm collection system designs, and how often they are checked for leaks.
I'm surprised that no company has developed a radar system that can penetrate the first 200 ft of earth to detect these developing chasms. They can x-ray your house now, but can't be bothered to check for real dangers under the streets.
Case in point: Look at this photo from the German sink hole, notice anything right BEFORE the hole?
edit on 1-11-2010 by harrytuttle because: image link
Originally posted by WHOS READY
Hi ~ATS,
I thought this was pretty cool. there seems to be alot (a fair bit) of this and other happenings going on with the planet at the moment. i reckon we're gonna need a seperate forum for it soon.lol.
A gaping hole 30 meters (98 feet) in diameter and 20 meters (65.6 feet) deep opened up in the eastern German town of Schmalkalden early on Monday morning. An empty vehicle plunged into it but no one was hurt, even though the chasm is in the middle of a residential area.
and nobody was hurt!! mental!- www.spiegel.de...
imagine meeting one of those on the way to work in the morn!