Radiation hotspot in Tokyo

Radiation hotspot in Tokyo

13 October 2011

Tokyo, 13 Oct: A radiation hotspot has been detected in Tokyo, reports said today as researchers carry out stringent tests to map how far contamination has spread from the crippled Fukushima nuclear plant.
Japanese media said researchers found radiation levels of 3.35 microsieverts per hour along a street in the west of the capital -- 220 kilometres (136 miles from Fukushima -- much higher than previously reported levels. According to calculations based on the Japanese science ministry's criteria, the equivalent annual dose in the hotspot would be 17.6 millisieverts, just below the 20 millisieverts per year threshold that requires evacuation. afp