The Mainichi answers common questions readers may have about radiation "hot spots."
Question: The term "hot spot" has been appearing in the news lately with regards to radiation, but what does it mean?
Answer: The term refers to areas where radiation levels are comparatively higher than the areas around them, regardless of distance from the crippled Fukushima No. 1 Nuclear Power Plant. The village of Iitate, Fukushima, where residents were asked to evacuate after it was predicted radiation exposure levels could reach 20 millisieverts a year, is one such "hot spot." Similar concentrations of radiation have also been measured at other, smaller hot spots. Residents have expressed anxiety over these comparatively high measurements.
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