Greenpeace radiation readings

"Greenpeace said its experts had confirmed radiation levels of up to 10 microsieverts per hour in a village 40 km (25 miles) northwest of the plant. It called for the extension of a 20-km (12-mile) evacuation zone."

TEPCO 3/28/2011:

The water inside the reactor 2 turbine room was measured at 1,000 millisieverts an hour.

Greenpeace 3/28/2011:

Greenpeace said its experts had confirmed radiation levels of up to 10 microsieverts per hour in a village 40 km (25 miles) northwest of the plant. It called for the extension of a 20-km (12-mile) evacuation zone.

Radiation readings in Tokyo and Yamagata

"In downtown Tokyo, a Reuters reading on Monday morning showed ambient radiation of 0.20 microsieverts per hour, well within the global average of naturally occurring background radiation of 0.17-0.39 microsieverts per hour. In Yamagata, a town about 110 km northwest of the stricken plant, the reading was just 0.15."

http://www.stuff.co.nz/nz-newspapers/west-coast-6013/news-6662/4819061/Japan-nuclear-crisis-Radiation-reading-mistake-absolutely-unforgivable