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"We have just learnt that in Yakutia, new information has emerged about a giant crater one kilometre (0.6 miles) in diameter," the deputy director of the Oil and Gas Research Institute of the Russian Academy of Sciences, Vasily Bogoyavlensky, told AFP.
He said this brought to seven the number of reported pits.
"Footage allows us to identify minimum seven craters, but in fact there are plenty more," he said.
originally posted by: [post=19110627]lostbook"
According to the article, Russian scientists are attributing the probable cause for the holes to Methane gas; a by-product of a warming environment. Apparently, the holes are caused by the melting of underground ice in the permafrost, which has possibly been sped up by rising temperatures due to global warming. What says ATS? rth-163604385.html
originally posted by: Mandroid7
Yeah, those are gigantic.
Down in Florida, they are caused by acidic rain and ground water flowing into and through the lime stone bedrock. It dissolves the limestone and washes it away, leaving giant caverns below that collapse in on themselves, hence the giant hole.
Gravity caves in the roof of the caverns when it gets close enough to the surface, or the ceiling is no longer strong enough to support the ground above.
Sinkholes can also be caused by excess well pumping from underground water tables. The hollow chambers then collapse from lack of pressure in them.
There has to be something leaving or causing the caverns for the ground to cave in. Ice doesn't sound very plausible to me, but I'm not certain there isn't solid ice under there. I would think there would be frozen wet soil before giant pure ice sheets, but may be wrong.
The same thing happens when you cut off a big tree from its base without removing the rootball. The roots die, decompose, turn to dirt, and the area they used to occupy collapses. You are left with a crater in the ground where the tree was a few years later.
Cool thread topic.
originally posted by: LightAssassin
The general consensus nowadays are methane gas pockets exploding upwards, hence the debris.
In fact one ATS member here has a very very dedicated thread, and even book, about the subject. Rezlooper ,I think, is the members name.
originally posted by: lostbook
originally posted by: Mandroid7
Yeah, those are gigantic.
Down in Florida, they are caused by acidic rain and ground water flowing into and through the lime stone bedrock. It dissolves the limestone and washes it away, leaving giant caverns below that collapse in on themselves, hence the giant hole.
Gravity caves in the roof of the caverns when it gets close enough to the surface, or the ceiling is no longer strong enough to support the ground above.
Sinkholes can also be caused by excess well pumping from underground water tables. The hollow chambers then collapse from lack of pressure in them.
There has to be something leaving or causing the caverns for the ground to cave in. Ice doesn't sound very plausible to me, but I'm not certain there isn't solid ice under there. I would think there would be frozen wet soil before giant pure ice sheets, but may be wrong.
The same thing happens when you cut off a big tree from its base without removing the rootball. The roots die, decompose, turn to dirt, and the area they used to occupy collapses. You are left with a crater in the ground where the tree was a few years later.
Cool thread topic.
"Frozen Wet Soil?" I think you just described Permafrost my friend. Permafrost as I understand is nothing more than frozen soil and as it melts, methane gas is released, and that IS the culprit of these sinkholes.
originally posted by: lostbook
originally posted by: Mandroid7
Yeah, those are gigantic.
Down in Florida, they are caused by acidic rain and ground water flowing into and through the lime stone bedrock. It dissolves the limestone and washes it away, leaving giant caverns below that collapse in on themselves, hence the giant hole.
Gravity caves in the roof of the caverns when it gets close enough to the surface, or the ceiling is no longer strong enough to support the ground above.
Sinkholes can also be caused by excess well pumping from underground water tables. The hollow chambers then collapse from lack of pressure in them.
There has to be something leaving or causing the caverns for the ground to cave in. Ice doesn't sound very plausible to me, but I'm not certain there isn't solid ice under there. I would think there would be frozen wet soil before giant pure ice sheets, but may be wrong.
The same thing happens when you cut off a big tree from its base without removing the rootball. The roots die, decompose, turn to dirt, and the area they used to occupy collapses. You are left with a crater in the ground where the tree was a few years later.
Cool thread topic.
"Frozen Wet Soil?" I think you just described Permafrost my friend. Permafrost as I understand is nothing more than frozen soil and as it melts, methane gas is released, and that IS the culprit of these sinkholes.
originally posted by: jackjoedoe
I wonder what caused all the nearly perfect circular indentations on the inside circumference of the hole's wall? I looks like someone threw a basketball ball sized object at the walls repeatedly.
originally posted by: mikelkhall
I'm no expert but that does not look like a sinkhole to me. Look at all the debris around the hole. If the ground is sinking then why would there be an accumulation of dirt around the perimeter?
Maybe someone with geological expertise can explain.
originally posted by: kevinp2300
a reply to: lostbook
I believe Siberia is called the end of the world because of how large and barren the landscape is.