"Kune Yull Suh, a professor of nuclear engineering at Seoul National University, warned last year that further tests could threaten to cause a volcanic eruption at Mount Paektu, which is about 100km away.
On Saturday, Kim announced North Korea would close its nuclear testing facility and suspend nuclear and intercontinental ballistic missile tests – a move welcomed by US president Donald Trump as “big progress” – and which comes ahead of a planned summit between the leaders in late May or early June."
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North Korea nuclear test site has collapsed and may be out of action – China study
Report builds on evidence that site is unstable after sixth nuclear test and puts Kim Jong-un’s pledge to no longer use site in a new light
Justin McCurry First published on Wed 25 Apr 2018 20.40 EDT
"British scientists visit North Korea's Mount Paektu
The deadly Mount Paektu, which straddles the borders of North Korea and China, is responsible for one of the deadliest eruptions in human history, and scientists fear that it could blow again.
Nearby nuclear weapons testing from the Kim Jong-un regime could trigger an eruption as rumblings could upset lava beneath the surface, scientists have previously stated.
Now, new studies show that the eruption could eject far more sulphur into the atmosphere than previously thought, which could devastate life on Earth.
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Mount Paektu once underwent one of the most devastating eruptions in history in 946AD when it erupted so powerfully that it formed a five kilometre caldera at its summit and produced enough ash that it even showered Japan – almost 1,100km away."