power – strom und macht

Officially Confirmed: 57.5 Microsieverts per Hour 195 Kilometres from the Accident Site

Susanne Gerber


Radiation levels as high as those in the evacuation zone around Japan’s Fukushima nuclear plant have been detected in a Tokyo suburb and are likely linked to the disaster, officially confirmed on Monday. The hotspot, a small area of about one metre radius, was found in a vacant lot in Kashiwa, a commuter suburb of the capital. Radiation levels of two microsieverts per hour were detected one metre above the surface of the soil, equivalent to some areas in the evacuation zone around the crippled Fukushima Daiichi nuclear power plant. City officials have also found contamination levels as high as 57.5 microsieverts per hour in the soil, sparking radiation fears in the neighbourhood some 195 kilometres from the accident site. Inspectors from the science and technology ministry believe the hotspot was created after radioactive caesium carried by rain water became concentrated in a small area because of a broken gutter. „We covered the area with river sand and plastic sheets, which so far have lowered the radiation levels in the air,“ said a Kashiwa city official. Earlier this month the alarm was raised in western Tokyo after a radiation hotspot was discovered. Variable winds, weather and topography result in an uneven spread of contamination from the nuclear plant, experts say, and radioactive elements tend to concentrate in places where dust and rain water accumulate such as drains and ditches.


Filed under: Politics, Radiation

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