Japan's worst nuclear accident occurred at TEPCO's Fukushima I Nuclear Power Plant, or Fukushima Dai-ichi, a boundary to boundary road journey to the north, after the same March 11 earthquake.
All reactors in the Fukushima II Nuclear Power Plant are BWR-5 type
The reactors for units 1 and 3 were supplied by Toshiba, and for units 2 and 4 by Hitachi. Units 1–3 were built by Kajima while the unit 4 was built by Shimizu and Takenaka. The design basis accident for an earthquake was between 0.42 g (4.15 m/s<sup>2</sup>) and 0.52 g (5.12 m/s<sup>2</sup>) and for a tsunami was 5.2 m.
The Fukushima Daini plant is connected to the rest of the power grid by the Tomioka Line () to the Shin-Fukushima (New... Read More