What Are Millisieverts? And Should Tokyo Be Scared Of Them?

Uranium (Nuclear Minerals) / Related Environmental Issues / Environmental Impact - Cases, Nuclear Wastes (Used Fuel)

Date posted: 04/30/13

The millisievert (mSv) is a measure of the absorption of radiation by the human body. The highest reading yesterday was reportedly on the order of 400 millisieverts an hour. TV broadcasts repeatedly said the levels were 167 times the average human annual dose. Is that significant? Yes it is. But only if you are at the power plant.