At http://phys.org/print344070295.html … more on the mysterious craters in Siberia. Global warming is blamed.
Huffington Post – complete with all the scaries and some really weird comments.
However, we also have http://siberiantimes.com/science/casestudy/news/n0127-dozens-of-mysterio… … where the key word is 'suspected' – as opposed to what has actually been seen. Strangely, it is all happening in the Yamal Peninsular, infamous for climate scientists cherry picking one or two trees when they had the choice of hundreds. The 'chosen ones' so to speak, had all the bells on as they aided and abetted in global warming hype. The others didn't – hence they went unmentioned. I'm getting used to how it works now and over at Joanne's place there is a cracking piece on manipulated data – go to http://joannenova.com.au/2015/02/australian-bom-under-fire-questions-abo…
The mysterious craters appear to be in that part of the Arctic that experienced a massive upheaval at the end of the Ice Age. Huge amounts of vegetation are buried under the ground and huge piles of mammoth bones litter the Arctic shore line. Hence, speculation is that gases have built up under the ground and periodically go bang – and create a crater. All conjecture of course, but a feasible explanation. Your average municipal refuse/garbage tip has to adjust for the release of methane gas. This is mostly invisible during daylight hours but at night looks like a fire burning under the ground. Just think, lots of kids used to play on tips like this, and bomb sites (in London), making dens and generally poking around. We could have been fried alive – but happy days.