12/7/2011, 9:00PM
They measured 3.58 microSv/h in Shibuya, in an interior room.
The person used SOEKS01M Ver1.CL.
After taking this video, it went up to 3.69 microSv/h.
Apart from this, a lot of hot spots are found in Tokyo. (Source)
12/18/2011 Adachi ku Tokyo
1.38 microSv/h at 5cm away from a gutter.
12/11/2011 Katsushika ku Tokyo
2.47 microSv/h on the second story of an apartment.
Tama Tokyo
1.54 microSv/h
Shinagawa Tokyo
1.36 microSv/h
Minato ku Tokyo
1.31 microSv/h