Tag Archives: Fallout

Cesium fallout widespread in Japan

Radioactive cesium from the crippled Fukushima No. 1 nuclear plant may have reached as far as Hokkaido, Shikoku and the Chugoku region in the west, according to a recent simulation by an international research team.

Large areas of eastern and northeastern Japan were likely contaminated by the plant, with concentrations of cesium-137 exceeding 1,000 becquerels per kilogram of soil in some places, says the study, which was posted Monday on the website of the National Academy of Sciences.

Researchers for the U.S.-based organization said the study, which was based on partial data readings, is the first to estimate potential cesium contamination across the country. But they also played down the incident’s impact on the three distant regions.

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http://www.youtube.com/watch?feature=player_embedded&v=ZVfuLoHbblI

Radiation From Japan Reached California Coast in Just Days

New research finds that radiation from the nuclear plant accident in Japan in March reached California within days, showing how quickly air pollution can travel, but scientists say the radiation will not hurt people.

"Its not harmful at all," said study author Antra Priyadarshi, a postdoctoral researcher at the University of California at San Diego. The value of the study, Priyadarshi said, is understanding how fast the tiny particles of radiation traveled and how many particles made it to the United States.

From March 13 to March 20, Japanese nuclear plant operators flooded a stricken and overheating reactor in Fukushima with seawater. The process created radioactive sulfur that was vented into the air in steam.

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