Sinkholes

MTR

MTR

Did anyone watch Sunday Program on sinkholes, I would not want to be living in Florida after watching this program. I am checking out my US insurance policy.

http://www.theaustralian.com.au/news/the-season-for-sinkholes/story-e6frg6n6-1226597176224


Here is one in Australia

http://www.youtube.com/watch?v=gjkgXO7X11g

There was also mention of the concerns in the Northern suburbs of Perth, as the developments roll out, scientists are worried the ground on which they're built may buckle under the pressure. New suburbs are being developed on highly porous limestone, unfortunately it is this substance that is prone to collapsing without warning.

I can not recall how many years ago now, but someone in northern corridor of Perth woke up to find a sinkhole in their backyard. That's a real problem, try selling that sucker.
 
Saw the program, wouldn't want to be caught with a house over a sinkhole.

Spent a lot of time diving Mt Gambier caves with Ian Lewis the geologist featured in the segment.
 
Not quite the same, but in parts of Ipswich such as Collingwood Park there are issues with ground subsidence, as there are houses built directly above old coal mine shafts. Same goes few a number of other suburbs within vicinity of Swanbank Power Station.
 
My house has 5 sinkholes, fortunately they are drained into wastewater so the risk of structual issues is neglible, unless the washing machine overflows
 
If anyone here has been to lightning ridge just over the border in NSW,all the opal mine claims are only separated by metres before breaking into someone else's shaft.

They started mining at the start of the 1900's.Depths are around 6-18 metres, it is very hard to move there without seeing around 10 mine-shafts all around you. Even in town they mine under their own house using a shed for the entrance.

One day that whole town will collapse,possibly during a flood.
 
LoneWolf said:
https://www.youtube.com/watch?v=a2NFqXPZgq8

Anyone seen this before?
Burning for around 35 years til now, and it is still going :eek:
Click to expand...

Technically this isn't a sinkhole, if you read the description you'll see that they were drilling for gas.

There's a number of sites similar to this, several in the US and Russia that I've read about. The gas, coal or other fuel source burns for decades.

There was a lot of concern that the recent fire in La Trobe Valley end up like this. There's enough coal to burn for a very, very long time.
 
Pa1nter said:
If anyone here has been to lightning ridge just over the border in NSW,all the opal mine claims are only separated by metres before breaking into someone else's shaft.

They started mining at the start of the 1900's.Depths are around 6-18 metres, it is very hard to move there without seeing around 10 mine-shafts all around you. Even in town they mine under their own house using a shed for the entrance.

One day that whole town will collapse,possibly during a flood.
Click to expand...


Been there. Went down one of those shafts and saw where they mine the opal. Pretty scary down there with the low roof and they reckon there are snakes down there as well!.

At least there was a pub there (unlicensed of course and people drive around in unregistered cars, lol)
 
MTR said:
Quite a number of years ago now, I think it was Duncraig??

Here is a snapshot from Sunday program

https://au.news.yahoo.com/sunday-night/features/article/-/22907841/the-truth-about-sinkholes/
Click to expand...

I knew you were going to say that since I was thinkIng of moving that way!

I did see that show and freaked a bit after checkIng out the nullabor caves 15 years ago and seeing last week how yanchep Lake is dried up - bit of a worry when we are changing groundwater levels by using bores... Something has to give. I found this while trying to find where the Perth sinkhole is. Maybe i should be chasing a Hills lifestyle instead... But FIL is an ex firey and I'm a bit paranoid about that option too. Ahh, maybe i should just stay in between! http://www.abc.net.au/stateline/wa/content/2003/s960820.htm
 
Invstor
the chances are so slim in Oz I would not be too worried, now if you were in Florida, well I believe insurance coverage for sinkholes is compulsory that has to tell you something.
 
MTR said:
Invstor
the chances are so slim in Oz I would not be too worried, now if you were in Florida, well I believe insurance coverage for sinkholes is compulsory that has to tell you something.
Click to expand...


At least in Florida you are covered by insurance, whereas in Australia you have no cover.
Not much use if you are dead, though.
Marg
 
Maybe in the future it will be much much worse here with all this underground, seeming, gas stuff, high pressured shXt .
Who knows what effect all that craps gonna have on the planet and Australia's becoming full of it .

Really worries me all that stuff .
 
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