New Tepco Report: Unit 4 had ‘major impulsive sound’ then damage to roof on March 14, 2011 — Fire seen hours later, then again next day

Published: June 20th, 2012 at 8:16 pm ET


Tepco’s accident investigation report (here and here) published June 20, 2012 and translated by Fukushima Diary:

March 14, 2011

10:30 AM Tepco tried to go to SFP4 to investigate the state but the radiation level inside of the reactor building was too high, they couldn’t enter. (The temperature of SFP4 was 84℃ at 4:08)

March 15, 2011

6:14 AM Major impulsive sound and vibration were observed, and they confirmed the roof of the [Unit 4] reactor building was damaged.

9:38 AM Fire was observed at North West corner of the 3rd floor of the building, but they confirmed the fire was naturally extinguished at 11:00 AM.

March 16, 2011

5:45 AM Another fire was reported at the North West corner of the 4th floor of the building, but it was missing at 6:15 AM.

Published: June 20th, 2012 at 8:16 pm ET


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  3. Richter 7 quake would likely crack, drain, and burn Fukushima Unit 4 fuel pool — “We’d be reliving March 11 all over again” (VIDEO) September 10, 2012
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41 comments to New Tepco Report: Unit 4 had ‘major impulsive sound’ then damage to roof on March 14, 2011 — Fire seen hours later, then again next day

  • RememberThis RememberThis

    So now after 15 + months they divulge what we have known all along.

    These TEPCO clowns are committing the "Crime Of The Century"
    Lies, deceit, withholding valuable information, turning off SPEEDI so the TRUE dispersion model is no doubt destroyed.

    Shall I go on?

    They never had to choose this path unless they have something to hide….the world would have helped, but they wont let us.
    Permission is no longer an issue, its time for mass arrivals of American, Russian and Chinese forces to step in and put an end to this crap once and for all.
    I would go and give my life to help

    Or else they will kill us all…….

    • GeoHarvey

      At what point do we start talking about crimes against humanity?

      • Bobby1

        At what point? Yesterday, now. The whole nuclear fiasco has been a crime against humanity from the beginning. It is worse now. Tomorrow will be worse than today.

      • richard richard

        I've been calling it a crime since March 2011, and a crime against humanity is not enough.

        It's a crime against the flora and fauna of planet earth.

        It's ecocide. 'humanity' is almost irrelevant.

    • richard richard

      Don't give your life to help until every tepco exec and Japanese official and the other related has committed their life to resolving Fukushima.

      They must be the first, anything less is injustice.

  • kx kx

    I come here just to put a pitchfork on their asses.

    Still waiting for the anonymity of the masses.

  • kx kx

    but my bet is already that it's not going to happen

  • MaidenHeaven MaidenHeaven

    What caused the excessively high radiation on March 14th if the first explosion didn't take place until March 15th?

  • weeman

    Somewhere their must be recordings of the melt downs, so we can reverse engineer to give us insight to what actually happened, much like a black box in a plane.
    What is a impulsive sound.? Steam escaping but their was already breech as their was high radiation,
    What caused vibration? High pressure steam or breech of containment, enough to damage roof.

  • Urban27

    Telling the minimum information – and always underestimate. This has been the policy from start – actually it has been the policy even before.

    There was a tremendous explosion at reactor 3 on mars 14 at 11.01 AM. That explosion was so strong that it had strong impact on reactor building 4, that became an parallel offset. Also the upper part of number four building get a strong bend inwards, clearly visible.

    • WindorSolarPlease

      Urban27 +100 agree.. Bingo.. glad you also said Quote: actually it has been the policy even before.

  • johnnyo

    "I would go and give my life to help"

    "Don't do it till the execs go first"

    "I come with pitchfork….but don't think it's gonna happen"

    A lot of anger here, justifiably considering taking matters into our own hands to mete out some semblence of justice. Actual violence of course would be counter productive. We should obviously get organized locally and get out in the streets peacefully.
    But also, here in the blogosphere, we need to go on the attack. imho, we should call out capitalism itself and demand its extinction. After the Gulf, the banks and now this horror, knowing that all these puss-filled-boil-lame-excuse-for-human beings sit on multiple intertwined boards…..we need to yank this festering canker out at the roots and start over. From scratch.
    Nationalize the ENTIRE energy sector. And the banks. And the media. Our planet is crying out to us in her last death throes. Paradigms must be obliterated.

    It is too bad tptb have done such an excellent job brain washing the masses to equate socialism w/evil when it is our last and only prayer. Maybe lets come up w/a new name but the time is now. Truth, goodness and love will rise from the canvas when we realize our potential. Hopefully yesterday.

    • BreadAndButter BreadAndButter

      Wow, Johnnyo, I wonder how you could hold your breath for so long without posting! 🙂 Nice rant!
      So, where do we start?
      Maybe by clearing our accounts at the banks which support nuclear investments? is yours on the list? Check it out (don't skip the intro, I love those wobbling cooling towers!):

      Btw, where in Japan does your sister live?

      • hbjon hbjon

        We, as a nation need to give up our freedom and capitalism because the nuke cartel has convinced the regulators, utilities, and governments that this technology was safe. Seems evident to me the culture of nepotism has created an environment where the best and brightest do not reach the important positions in our workforce. The Bush's are one example. The Clinton's are another. At what point in history did we lose our government? Lose our freedom of the press? Freedom from illegal search? Only a government that gets all its funding from taxpayers will truly remain an honest and free country. They don't need you if they can make their own money. They can buy elections.

        • many moons

          There is never any point in time that your lose your rights, your freedom, your sense of security…it's always a day by day event.
          My mother always told me that free must be won on a daily basis.

          We have a lot of fighting to do if we want to be able to choose the way we live (and I'm not talking about gay marriage here), more like whether it's eating pesticide ladden, transgenic, radioactive food or not.

          • hbjon hbjon

            What you say certainly rings true. I just had a thought, and I apologize to admin for veering a bit, but when the TMI incident happened and The China Syndrom came out in the movies, was there something going on (like a last attempt to stop nukes) behind the scenes that the people were not aware of? Perhaps the truth of the dangers would reach the voters if TMI hand a serious accident? It never did and nuclear power expansion continued as planned. Many questions have arisen over the last year.

        • Dr. Anne Lee Tomlinson Maziar anne

          The nuclear industry has nothing to do with capitalism. It is fascism. If we had capitalism in the nuclear industry, it would immediately be put to rest. No one would invest in an industry that cannot exist with huge government subsidies and is the most expensive energy source. No insurance company will touch nuclear industry. That tells you how unsafe nuclear energy is and how this has been known all along. Stop the government dole to this industry (which is fascism) and the nuclear industry is dead as a doornail.

          • Sharp2197 Sharp2197

            Thank you Anne, true capitalism went out the window decades ago. What we have now is corporatism.

            • PhilipUpNorth philipupnorth

              Sharp2197: Totally agree. We must make the ideal of "One person, one vote" a reality in America. This won't happen unless a new supermajority is elected to congress, and to the Presidency, who will take the money out of the electoral process. No PAKS and SUPERPAKS, no corporate lobbying, no midnight deliveries of cash, no offshore secret accounts. Vigorous prosecution of anyone taking bribes. Government can no longer be allowed to be solely the defenders of corporate interests at the public's expense. We must return government to its role as a defender of public health and the public interest. We need the greens, the unions, and the tea party to come together to throw the bums out, clean industry lobbies out of the House and Senate, and pass legislation to deny corporations access to the reins of government. Corporations aren't people. Peope are people. Corporations don't vote. People vote. Throw all the bums out!

          • johnnyo

            capitalism is ALL ABOUT maximizing profit. Every day. Every way. That is all.
            As day follows night this system will ALWAYS lead to corporatism and fascism. Cheap whores in politics and even sleazier ones owning the media.
            Our planet cannot take much more.
            The 2 party system is bad Kabuki theatre, both parties should be outlawed and their leaders imprisoned.

            If you want to end nuclear you want to nationalize the ENTIRE energy sector. Decisions must me made SOLELY on the basis of "whats best for humanity and our planet" and NOT on what will further enrich the already absurdly wealthy.

            Exxon etc does not have a right to exist. All those profits should be going into new green technology in a Manhattan project to get to 100% clean, renewable.

            It is not rocket science.

            • Sharp2197 Sharp2197

              Johnnyo lets imagine that your wife says we must get rid of the hideous couch in the living room, We will forget that she picked it out 4 years ago. now you have a new couch and the old one is taking your spot in the garage. so you decide to have a garage sale and put a price of $100 on the couch(you paid $300) Sat comes along and some dweeb offers $25 for the couch, you say no way and he offers $50, as you think about it someone else comes up and offers $75. Who are you going to sell it to? Capitalism is a natural thing. It is only when a government jumps in to prop up a price or guarantee a profit that capitalism is broken. I guarantee that a government will screw up socialism just as badly. The problem is not which system we use it is that politicians will seek out power and profit no matter what. The best socialist or capitalist societies will both be corrupted by those that seek to control and dominate.

              • Sharp2197 Sharp2197

                You spoke earlier about brainwashing, some people will stop and help anybody, but there are just as many who would rob them, Human nature is such that neither Capitalism or socialism will work in the true form they were intended. There will always be somebody trying to get an edge up on the rest of us, and that is why we have been so successfull as a species. Too successfull we will overpopulate and kill ourselves. And a large portion of the world will die with us.

            • AGreenRoad AGreenRoad

              Bill Moyers; How To Buy Your Own Election And Politicians With Dark Money; via A Green Road

  • johnnyo

    Yeah B&B, had a little pent up steam needing venting for sure. The reactor that is my soul has reached criticality.

    Where to start? Aaahh… the 64 million $ ?

    Answer, in the streets. Millions of us need to converge on a television station or newspaper. Occupy folks are on the right track. It would also help annihilate useless, outdated paradigms if we accept the fact that the fairy tale told to us about what happened on september eleventh is complete hogwash. When the masses realize this, those millions will not sound so far fetched, AT ALL.

    My sister is in Chiba. 45 minutes east of Tokyo. Alas, she is struggling with acceptance of the severity.

    • many moons

      Hi Jonnyo,
      I agree the occupy people were on track and making a difference. I visited their "headquarters" there in that little park and it was clear that these people were willing to suffer to make a difference for us all. Too bad they got so little support. Most people thought of them as a bunch of outcasts causing trouble. Those same folks have no idea of what trouble radiation is going to become in their day to day lives.

      We need to bring back and support the occupy movement and boycott big industry (corp. america) I don't drink coca-cola and I haven't been in a mcdonalds for decades. Do not support these corporations!!! and the list is long but if we stick together!!!!

      • StPaulScout StPaulScout

        "Most people thought of them as a bunch of outcasts causing trouble."

        Most of the idiots……

  • snowwy snowwy

    this had been posted on march 14th 2011! so not exactly news that there had been a fire

  • StPaulScout StPaulScout

    What does a 'major impulsive sound' sound like? A giant fart or something?

  • snowwy snowwy

    not sure if it aid in finding the truth but i stumbled upon this: