Japan quakes

[dctokyo]

http://www.ustream.tv/channel/%E6%9D...83%99%E3%83%AB

Representation of the amount of radiation per hour.
Usually Tokyo is 0.02-0.08 µ SV/H

Radioactivity in Tokyo and even Kashiwa (northern Chiba) have returned to background levels (currently around 0.05 microSv/hr). You can get radioactivity level info from various independent sites, such as the ut-portal at the University of Tokyo (u-tokyo.ac.jp) website