Talk:Fukushima Daiichi nuclear disaster (Unit 3 Reactor)

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At this point, only prompt flooding of the reactors with seawater could have cooled the reactors quickly enough to prevent a meltdown. Saltwater flooding was delayed because it would ruin the costly reactors permanently. Flooding with seawater was finally commenced only after the government ordered that seawater be used, and at this point, it was already too late to prevent meltdown.^[1]

As the water boiled away in the reactors and the water levels in the fuel rod pools dropped, the reactor fuel rods began to overheat severely, and to melt down. In the hours and days that followed, Reactors 1, 2 and 3 experienced full meltdown.^[2][3]

References