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» Significant amount of cesium flowed into ocean by powerful typhoon in 2011

The amount of radioactive cesium that flowed into the sea through a river running across central Fukushima Prefecture when a powerful typhoon hit in September 2011 totaled 6.2 trillion becquerels, about 60 percent of the total for a 12-month period, according to a team of scientists from Kyoto University, the Meteorological Research Institute.

The number was measured from Sept. 19 to Sept. 27, 2011, when Typhoon No. 15 swept through the region surrounding the Abukumagawa river.

Cesium released from the crippled Fukushima No. 1 nuclear power plant in a triple meltdown in March 2011 landed in the soil in the region, which measures some 5,000 square kilometers wide. The fallout is gradually finding its way into the river through storm-water runoff.
<Media Report>
Large amount of cesium flowed into ocean after 2011 typhoon (Asahi Newspaper)


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