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As Above So Below
North Korean mountain above nuclear bomb test site is at risk of COLLAPSING, leaking radiation across the region, China warns
North Korea nuclear test site mountain 'could collapse' | Daily Mail Online
US monitors measured a powerful 6.3-magnitude earthquake near the North's main testing site, felt in parts of China and Russia, with an aftershock possibly caused by a rock cave-in.
Experts in China now fear that a mountain - believed to be above the underground chambers where North Korea has staged all of its tests - is under threat of collapse.
Wang Naiyan, a former chairman of the China Nuclear Society and a researcher on China's own nuclear weapons programme, said he feared just one more test could 'take the mountain's roof off' sparking a toxic radiation drift across the region.
'We call it "taking the roof off". If the mountain collapses and the hole is exposed, it will let out many bad things,' he said, according to the South China Morning Post.
He said North Korea had a lack of suitable places for nuclear tests and that the length of time the mountain continued to stand would depend on where exactly the blasts take place.
If they were put in 'difficult and expensive' vertical tunnels, it would do less damage, he said.
But it is easier to make horizontal tunnels, increasing the risk of the mountain collapsing, Wang added.
North Korea nuclear test site mountain 'could collapse' | Daily Mail Online