FUKUSHIMA 11/3/11
dispersal of I131 over entire northern hemisphere by 7 April 2011:
http://openarchive.enea.it/bitstream/handle/10840/4952/1-s2.0-S1352231014004555-main.pdf?sequence=1
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if there was an accident like the one at Fukushima Daiichi at San Onofre nuclear power plant (NPP) in Southern California, it might look like this:
Like Fukushima Daiichi NPP, San Onofre NPP also sits on a fault line …
and if there was an accident like the one at Fukushima Daiichi at Indian Point nuclear power plant (NPP) in New York state, it might look like this:
CHERNOBYL 26/4/86
contamination of part of Russia in 1986. This south western area, highlighted on the green map in the top right-hand corner, shares borders with both Belarus and Ukraine:
contamination of the same part of Russia twenty years later, in 2006:
contamination of another part of Belarus in 2006:
projection of contamination of the same part of Belarus ten years later, in 2016:
more radioactive contamination maps of Belarus here:
http://chornobyl.in.ua/karta-belorussii.html
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Windscale, Cumbria, England, 10 October 1957