Home > Man-Made Disasters > Fukushima Reactor Had Meltdown 3.5 Hours After Cooling System Collapsed; Staggering Radiation Levels Now Measured in R1 Drywell

Fukushima Reactor Had Meltdown 3.5 Hours After Cooling System Collapsed; Staggering Radiation Levels Now Measured in R1 Drywell


By the end of March the IAEA knew that a nuclear meltdown had occurred at Fukushima, yet this information was not released to the public until nearly 7 weeks later…

“A meltdown occurred at one of the reactors at the Fukushima No. 1 Nuclear Power Plant three and a half hours after its cooling system started malfunctioning, according to the result of a simulation using ‘severe accident’ analyzing software developed by the Idaho National Laboratory.

Chris Allison, who had actually developed the analysis and simulation software, reported the result to the International Atomic Energy Agency (IAEA) in late March. It was only May 15 when Tokyo Electric Power Co. (TEPCO) admitted for the first time that a meltdown had occurred at the No. 1 reactor at the Fukushima nuclear plant.

According to Allison’s report obtained by the Mainichi, the simulation was based on basic data on light-water nuclear reactors at the Laguna Verde Nuclear Power Plant in Mexico that are about the same size as that of the No. 1, 2, and 3 reactors in Fukushima.” Read more.

More Melted Fuel At Japan’s Fukushima Nuclear Plant Uncovered During UN Probe – “In addition, some chunks of the fuel appeared to have entered the inner containment chambers, or drywell, causing some damage. That suggests that the severity of the accident was greater than officials have acknowledged. TEPCO announced similar findings last week about Unit 1. The new revelations indicate that earlier official assessments may have been too optimistic…” Read more.

Fukushima’s Apocalyptic Threat Demands Immediate Global Action – “Fukushima may be in an apocalyptic downward spiral. Forget the corporate-induced media coma that says otherwise…or nothing at all. Lethal radiation is spewing unabated. Emission levels could seriously escalate. There is no end in sight. The potential is many times worse than Chernobyl.” Read more.

F.Reactor 1 – 204,000 mSv per hour in the drywell?! – Recent readings are so high at Fukushima Reactor 1 that I am surprised this isn’t being reported by the MSM.  This is a full 204 sieverts/hr.

Location: Unit 1 nuclear power plant Fukushima
Date: Mar 15, 2011 (Tuesday) to May 25, 2011 (Wed)
Current values: D/W: two hundred and four Sv/h , S/C: 0.987 Sv / h
Status Instrument: failure

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