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In reply to the discussion: 'ENVIRONMENTAL CATASTROPHE' North Korea's Nuclear Test Site Has 'Collapsed' [View all]scipan
(3,073 posts)Radiation levels in a Chinese city nearly 2,000km from a North Korean nuclear test site spiked following Pyongyangs latest and most powerful nuclear weapons test in September, according to Chinese scientists.
However, the spike in iodine-129 levels Xian was probably not related to the detonation of a 100-kilotonne hydrogen bomb in a tunnel at the Punggye-ri nuclear test site on September 3 and was more likely to have originated in Europe, they said.
The spike was recently declassified by the Chinese Academy of Sciences, prompting heated discussion among researchers about its possible cause, with some disputing the Europe theory.
From September 3 to 11, levels of iodine-129 in Xian, capital of Shaanxi province in northwestern China, jumped to at least 4.5 times the average, according to readings picked up by instruments at the academys Institute of Earth Environment, which is based in the city.
http://www.scmp.com/news/china/society/article/2125448/what-caused-radiation-spike-xian-north-korean-blast-european