At2:46PM on March 11th, turbines and reactors of Tokyo Electric Power
Company's Fukushima Daiichi Nuclear Power Station Unit 1 (Boiling Water
Reactor, rated output 460 Megawatts) and Units 2 and 3 (Boiling Water
Reactor, Rated Output 784 Megawatts) that had been operating at rated
power automatically shutdown due to the Miyagiken-oki Earthquake.
After the shut down, the values of radioactive materials (iodine, etc)
measured by the monitoring car have been increasing. Increase in the
measured value has also been recognized in one of the monitoring posts.
Furthermore, today at 3:29PM, radiation dose measured at site boundary has
exceeded the limiting value. Therefore, at 4:17PM, it was determined that
a specific incident stipulated in article 15, clause 1 has occurred.
We will endeavor to secure the safety and alongside, continue monitoring
the environment of the site periphery.