Free Republic

Radioactive cesium spread as far as Gunma-Nagano border November 12, 2011 The science ministry released maps on Nov. 11 showing aerially measured accumulations of radioactive cesium from the Fukushima No. 1 nuclear plant in 18 prefectures. Measurements were taken for the first time in six prefectures--Iwate, Toyama, Yamanashi, Nagano, Gifu and Shizuoka--in addition to the previously available contamination maps of 12 prefectures, providing an almost complete picture of eastern Japan. Radioactive cesium has contaminated areas as far west as the border between Gunma and Nagano prefectures, and as far north as the southern part of Iwate Prefecture, according to officials....

High cesium levels detected as far away as Gunma Prefecture BY HISAE SATO STAFF WRITER 2011/09/29 Radioactive cesium from the Fukushima No. 1 nuclear power plant has spread more than 250 kilometers toward the southwest, reaching as far as Gunma Prefecture, the science ministry said. The Ministry of Education, Culture, Sports, Science and Technology has been measuring contamination levels in each prefecture in eastern Japan, including Gunma Prefecture from Aug. 23 to Sept. 8 using prefectural government helicopters. According to the measurements released Sept. 27, most of the radioactive cesium first spread about 60 km northwest from the Fukushima nuclear...