Radiation Readings 17 APR: outside 20 km zone Fukushima Dai-ichi NPP

MEXT is recording radiation measurements at 3 hour intervals in the region 20 km and greater from the Fukushima Daiichi nuclear power plant. In addition to Japanese,   reports are issued in English version, Chinese version and Korean version. The latest maximum readings reported April 17 and also the prior day, April 16, occur ar reading posts [32] and [83].

[32] Futaba county Namie town Akougi Teshichiro (About30km northwest)

- 23.1  μSv/h at 10:52  April 17     |        25.3 μSv/h at 10:13  April 16

[83] Futaba county Namie town Akougi Kunugidaira (About20km northwest)

- 39.4 μSv/h at 10:24  April 17   |   43.8 μSv/h at 11:15  April 16

For reference, previous readings:

- 38.0 μSv/h March 31 at reading post [32]

- 55.6 μSv/h March 31 at reading post [83]

- 87.0 μSv/h March 27 at reading post [83] 

Summary of previous readings at post [32] showing a downward trend:

- 45.0 μSv/h 2011/3/27 11:55

- 50.0 μSv/h 2011/3/27 11:30

- 105.0 μSv/h at 2011/3/20 15:03

- 110.0 μSv/h at 2011/3/20 14:03

- 110.0 μSv/h at 2011/3/20 13:03

- 132.0 μSv/h at 2011/3/19 11:20

- 136.0 μSv/h at 2011/3/19 10:20

- 135.0 μSv/h at 2011/3/19 9:20

- 150 μSv/hr Mar 18 13:32 

- 140 μSv/hr Mar 18 12:33 

- 140 μSv/hr Mar 18 11:33