Japan Professor: I believe airborne release of cesium-137 from Fukushima equals 400 to 500 Hiroshima nuclear bombs — Another 400 to 500 bombs worth has already flowed into Pacific Ocean (VIDEO)

Published: March 13th, 2013 at 2:32 am ET


Title: Fukushima Daiichi: A Chronological Account of the Disaster
Event: Helen Caldicott Foundation Symposium: The Medical and Ecological Consequences of the Fukushima Nuclear Accident, Co-Sponsored by Physicians for Social Responsibility
Source: ERF2012
Videographed & Edited by: Intertelemedia, Inc
Translated by: Kazko Kawai, Voices for Lively Spring
Subtitled by: East River Films Inc
Date: March 11, 2013

At 6:15 in

Hiroaki Koide, Master of Science in Nuclear Engineering, Assistant Professor at the Kyoto University Research Institute, Nuclear Waste Management & Safety Expert:

The cesium-137 that was released into the atmosphere by Units 1 through 3 was 168 times that of the Hiroshima bomb, according to the Japanese government report to the IAEA, an international organization which promotes nuclear power.

I myself believe this is probably an underestimate, and two or three times that amount, that is, 400 to 500 times the amount of cesium-137 of the Hiroshima atomic bomb has already been dispersed into the atmosphere.

At the same time, the radioactive materials that were dissolved in water were flowing into the ground, then out into the ocean.

I believe almost the same amount of radioactive material released into the air have probably flowed into the ocean.

Watch the presentation here

Published: March 13th, 2013 at 2:32 am ET


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  2. Reuters: Corrosion is weakening Fukushima Unit No. 4 — Concern quake to ‘topple’ bulging structure — Holds 14,000 Hiroshima bombs worth of cesium-137 August 14, 2013
  3. Japan gov’t: Fukushima cesium equal to 168 Hiroshima nuclear bombs August 26, 2011
  4. Officials reveal about 2 Trillion becquerels of Fukushima radioactive material flowed into ocean every month during 2013 — “Deadly strontium” releases now more than double cesium — “Strontium gets into your bones… it changes the equation” (VIDEO) August 29, 2014
  5. Nuclear Expert: Fukushima “like the worst nightmare becoming reality” — Released as much as 1,000 atomic bombs worth of radioactive material — “Everyone on earth has been exposed… an increase in cancer will be the result” March 11, 2016

43 comments to Japan Professor: I believe airborne release of cesium-137 from Fukushima equals 400 to 500 Hiroshima nuclear bombs — Another 400 to 500 bombs worth has already flowed into Pacific Ocean (VIDEO)

  • dharmasyd dharmasyd

    Slowly, the truth will come out, and it will be increasingly worse. How many of us will be alive to study and understand it, to finally take action against it?

  • We Not They Finally

    Every time someone knowledgable gives a new estimate, it is HIGHER. Another recent ENE News article says TEPCO's original estimate (read "lie") of the cesium release from the original explosions, was off by a factor of 50. Scarier still, this is ongoing. The agreenroad blog did an excellent article 2/29/12, on "Total Fukushima Radiation Released Into Ocean, Air, Groundwater, Storage Tanks, Etc." It doesn't give a grand total, but it does give a roadmap. Probably everyone is in some denial, even kmowledgable people.

  • TheBigPicture TheBigPicture

    The radiation went to the United States, as proven by archive jet stream data, and by people's symptoms.

  • markww markww

    That was just the explosions there is MILLIONS UPON MILLIONS MORE from the BLOBS that was not taken into account.


    • Yes, Veterans Today had it as 2,000 atomic bombs:

      FUKUSHIMA = 2,000 Atomic Bombs
      -Killer Contamination Spreads Worldwide Without Opposition
      [Friday, April 22nd, 2011 | Posted by Bob Nichols]

      – not sure what the source of that estimate is.

      • Dr. Anne Lee Tomlinson Maziar anne

        Actually, it was reported that Fukushima is equivalent to 66,000 Hiroshima bombs.

        The 2,000 figure was for bombs which were 33 times larger than the Hiroshima bomb. And since April 22, 2011, who knows how much this figure really needs to be revised upward.

        FUKUSHIMA = 2,000 Atomic Bombs
        Killer Contamination Spreads Worldwide Without Opposition
        April 22nd, 2011
        “(San Francisco) – Radioactive contamination equivalent to the Fukushima, Japan disaster in terms of the hated “Mushroom Cloud” Atomic Bombs is two thousand (2,000) 500 Kiloton Atomic Bombs.* Each 500kt Atomic Bomb is 33 times bigger than the American Bomb that destroyed Hiroshima on August 6, 1945….
        “The ten thousand trillion counts[2] of radiation gushing forth per hour bring mortal illness to many of us. Aye, maybe even for most of us our own deaths are written on the Fukushima Radioactive Volcano Wind….”

  • Sickputer

    We always estimated about 1 Hiroshima bomb per day…734 days and counting…

    Probably greater than that, but it's a fair talking point:

    "Fukushima Daiichi is still leaking radiation at the rate of one Hiroshima bomb per day."

    "And they can't stop the leaks"

    It's a bioaccumulation nightmare for the world, and especially for the children in central Japan. They are the forgotten victims.

    Tell a friend today…tell a new person every day. The next Fukushima could be the end of long lived humans if we aren't already past the tipping point.

  • hbjon hbjon

    I come here to find new ideas. Things to help me personally find solutions. Energy? What is it? We have some of the best minds of the day contributing here. Though information is sometimes conflicting, we are free to work on our jigsaw puzzles when we find a piece that fits. True, there are forces that repel the pieces from fitting. We all have an innate attracting force that allows us to identify situations. This force has brought us all together here. May you all complete your jigsaw puzzles and live happily ever after.

  • PhilipUpNorth PhilipUpNorth

    "Corium really is 4km deep!" Here is the source for the 4km story:
    "happy9kids in ENEnews
    February 4, 2013 at 2:46 pm Log in to Reply
    "Old insider's report leaked from a young TEPCO researcher:
    "One Japanese guy, who has been searching for the truth of nuclear power industry in Japan, received this information from young researchers working in TEPCO's research department. The grief-strucken researcer reported to him that " although the corium had been already sunk down to about 4km (1 mile = 1.6km) below the surface of the ground, the Japanese government had been forcing us (researchers) to find the exact location of the corium and a way to get rid of. we and our families are sick and some of us are dying due to radiation". (This information was reported on April, 2012.)
    "Believe it or not, mankind has been experiencing "much-worse-than the-worst nuclear crisis ever in the history of mankind. I desperately pray and wish that our Mother Nature/Earth has a power to dissipate gigantic amount of radioactive materials.
    "I am a layman, but can guess this corium may cause another enormous crustal movement soon or later."

    PhilipUpNorth asks happy9kids to post your source on this story, please. Many thanks for your post. If verified, this would be first insider report of actual location of the corium. Very important to run this…

  • Dr. Anne Lee Tomlinson Maziar anne

    Fukushima Secret Nuclear Weapons Exposed by Chris Busby
    Nov 26, 2011

    “Plutonium-239 is a very hazardous carcinogen which can also be used to make nuclear weapons. This combination of properties makes it one of the most dangerous substances. Plutonium-239, while present in only trace quantities in nature, has been made in large quantities in both military and commercial programs in the last 50 years. Other more radioactive carcinogens do exist, like radium-226, but unlike plutonium-239 cannot be used to make nuclear weapons, or are not available in quantity. Highly enriched uranium (HEU) can also be used to make nuclear weapons, but it is roughly one thousand times less radioactive than plutonium-239. The danger is aggravated by the fact that plutonium-239 is relatively difficult to detect once it is outside of secure, well-instrumented facilities, or once it has been incorporated into the body. This is because its gamma ray emissions, which provide the easiest method of detection of radionuclides, are relatively weak.

    “The main carcinogenic property of plutonium-239 arises from the energetic alpha radiation it emits. Alpha particles, being heavy, transfer their energy to other atoms and molecules within fewer collisions than the far lighter electrons which are the primary means of radiation damage for both gamma and beta radiation.1

    • Dr. Anne Lee Tomlinson Maziar anne

      Alpha particles travel only a short distance within living tissue, repeatedly bombarding the cells and tissue nearby. This results in far more biological damage for the same amount of energy deposited in living tissue. The relative effectiveness of various kinds of radiation in causing biological damage is known as "relative biological effectiveness" (RBE). This varies according to the type of radiation, its energy, and the organ of the body being irradiated. A simple factor, called quality factor, is used to indicate the relative danger of alpha, beta, gamma and neutron radiation for regulatory purposes. The International Commission on Radiation Protection currently recommends the use of a quality factor of 20 for alpha radiation relative to gamma radiation.”

  • Time Is Short Time Is Short

    “A recent study was prepared for Greenpeace Germany by international nuclear safety expert Dr. Helmut Hirsch. Dr. Hirsch’s assessment, based on data published by the French government’s radiation protection agency (IRSN) and the Austrian government’s Central Institute for Meteorology and Geodynamics (ZAMG) found that the total amount of unstable radionuclides Iodine-131 and Caesium-137 released between March 11 and March 23 has been so high that the Fukushima crisis already equates to three INES 7 incidents.

    Release of radiation from the stricken reactors has reached 10,000 teraBequerels (10,000 trillion Bequerels) per hour, measured for radioactive Iodine-131.”


    • Time Is Short Time Is Short

      “The uranium bomb which the United States dropped on Hiroshima at the end of World War II released 89 tera becquerels. It killed 140,000 people – many instantly, others within weeks of the blast as they succumbed to severe radiation burns.”


      So, a rough estimate is that Fukushima is spewing the equivalent of 112 Hiroshima-type nuclear bombs worth of radiation every hour, of every day.

      That’s 981,120 atomic bombs a year going off worth of radiation into our biosphere.


      That is 1,962,240 Hiroshima-sized nuclear bombs worth of radiation emitted as of 3/11/13.

      As per the Caldicott Symposium, no one will ever truly know, with any exactitude, how much radiation was, and continues to be, released into the Earth's biosphere.

      The human race is finished. Those alive and breathing on 3/11 have enough radioisotopes to kill them, albeit slowly. There is no timetable, but it is a lethal dose. The genetic damage of all life was begun in earnest on 3/12/11, and all future generations of life on this planet will continue to mutate downwards. If you are elderly, you'll probably die from something else. If you are middle-aged, it's a crapshoot. If you are younger, enjoy what's left.

      • Time Is Short Time Is Short

        If you are thinking of having children, ask yourself if you are prepared to deal with the high probability of a defective child who you will probably outlive.

        The closing of any NPP's will only prevent the acceleration of what is already happening. There will be no off-planet survival of the human race.

        This is our future, whether we like it or not.

        I suggest finding meaning in your lives wherever and however you can. Your Time Is Short.

  • ForwardAssist ForwardAssist

    So 2053 detonations is equal to two Fukushima events, https://www.youtube.com/watch?v=LLCF7vPanrY

    No wonder why so many people have cancer…..

    • Yes, it's an epidemic, according to Helen Caldicott and others:

      The Cancer Epidemic

      Guy Dauncey: "There's a huge other story that's not being told here."

      By Guy Dauncey

      "…since the 1950s, in North America, there has been a 55% increase in cancer, when the statistics are standardized for the fact that people are living longer. Childhood cancer of the brain and nervous system – 40% increase since 1975; male colon cancer – 60% increase; breast cancer – 60% increase; brain cancer in adults – 80% increase; prostate cancer – 100% increase; testicular cancer – 100% increase; estrogen-receptor positive breast cancer -135% increase; non-Hodgkin's lymphoma and multiple myeloma – 200% increase; testicular cancer among men aged 28-35 – 300% increase. In 1950, 1 in 20 women had breast cancer. Now it’s 1 in 8. "

      • HH

        The cancers listed are all cancers known to be caused by exposure to >>radiation<<.

        At the Fukushima Symposium, one of the speakers said background radiation has increased 25% in 100 years from man-made sources.

        25% in 100 years. That's huge.

        Atomic testing fallout, nuclear meltdowns, nuclear power plants… radiation in food, water, air, rain, soil…we're all being exposed.

        • Au Au

          People putting cell phones up to their heads (dumb!), men carrying cell phones in their front pants pockets (dumb!), people putting laptops on their laps that zap gonads of every type (dumb!), mothers going in getting their babies ultrasounded too early and zapped with sound waves (dumb!- not that it causes cancer. I think it is risky to take delicate and quickly dividing cells and zap them with anything.) and then add all of the above, in prior paragraphs, to the mix…

          Oy Vey!

          Remember when the worst thing parents worried about was when kids sat too close to the TV?
          That was nothing compared to now.

          • PurpleRain PurpleRain

            yup. It was proven long ago that ultrasounds can cause cell mutations that's why I never had any done during my two pregnancies and why I had home births to avoid all the drugs too.

  • Dr. Anne Lee Tomlinson Maziar anne

    bombs vs. radiactive fallout
    Submitted by Anonymous (not verified) on Fri, 2011-05-13 14:23.
    “Indeed, a bomb releases it's energy explosively in a matter of seconds, leaving behind a burnt and irradiated landscape, and a plume of radioactive fallout aerosols which typically are carried away downwind (assuming the blast was above ground and didn't penetrate the ground "bunker buster" style). This is a singular event with finite amounts of contaminants that largely are lofted high into the atmosphere, thus contaminating the air and soil anywhere downwind at finite levels for years (and permitting countries to detect even the slightest traces of nuclear accidents or testing, specifically the "illegal" above-ground variety atmospheric testing as practiced at Bikini or in Nevada some years ago… but I digress). While it is undeniable that victims exposed to a nuclear-bomb's radiative fury can and do suffer instant death or long-term radiation-burn consequences, much of that is due to exposure to an external radiation source (the bomb exploding in near vicinity), not due to ingested/inhaled fallout, though in fact bombs will also expose victims to fallout as well.

    • Dr. Anne Lee Tomlinson Maziar anne

      However, it is the fallout which results in long-term consequences of ingested/inhaled radiation poisoning and the kinds of cancers that are being documented as a consequence of Nevada above-ground nuclear-testing and Chernobyl downwind fallout exposures (from Ukraine to Belarus to the Baltic and beyond), even without the horrific burns resultant from direct exposure to nuclear bomb blast radiation. The difference between a bomb and a nuclear meltdown is that the latter is the "weapon" that keeps on delivering fallout and cancer-risk (the ingested/inhaled radiotoxic particulates), in the form of emissions both into the atmosphere while the meltdown is in progress into the ground and groundwater continuing ad infinitum as long as the molten corium remains in situ and is not contained via some elaborate entombment structure(s), and ultimately into the food-chain and all materials which are part of our everyday lives. Because those contaminants spread so rapidly and widely, from a source that is vastly larger than any bomb delivers, and because those contaminants are so long-lived and virtually impossible to remove from the environment once spread, the risk of long-term internal exposure for the general public are much larger than is true for a bomb, and the public health consequences thus also a much greater concern…

      • dka

        In case of a power plant nuclear explosion, both the soil and the air will be contaminating and put peoples life in danger. The on-going and continuous outflow of radiative materials from the melted core is of unthinkable consequences.

    • Dr. Anne Lee Tomlinson Maziar anne

      indeed, the difference between a bomb and the worst-case NPP catastrophe (Fukushima) is that in the former, you can rebuild, whereas the latter will render your country uninhabitable and unsalvagable for centuries to come… Having said that, I wish neither upon anyone, and cannot comprehend that anyone would ever come up with a risk-analysis which would enable the building of a Fukushima-style NPP. But someone did… and nobody will be held accountable (though everyone must pay).”

  • ftlt

    Add to the radiation the organophosphates and all the rest industrial crap tossed about into our food supply and environment..

    We have created an even more toxic planet than it ever was without us..

    We are the virus!!!!

    Wonder, if anyone has done any research on the relationship of the new SUPER BUGS (totally scary stuff) and radiation ???…

    • Dr. Anne Lee Tomlinson Maziar anne

      There has been a study of super bugs caused by electromagnetic radiation of microwaves from cell phones and cell phone towers:

      The Body Electric: Electromagnetism And The Foundation Of Life [Paperback]


      once the immune system's been compromised, ftlt, mutagenic viruses is only icing on the cake. The unprecedented 'flu' epidemic that swept through the United States during 2012, is but a taste of things to come.

      Only those who do nothing to make this a better world, are the virus…

      • A new Pope has been elected.

        [Now, back to topic]

        I'm supposed to be visiting a dying friend in hospital, but happened across this this morning.

        B.C. health officials warn against latest drug-resistant bacteria called CRE
        By Steve Mertl | Daily Brew – 18 hours ago


          oh thank (bleep), Pu239! Whew! I was beginning to fear we were being left to our own devices.

          And yes, I've been following these developments. TB's all the rage too! Seems nuclear power's fulfilled its mission and brought mankind back to the quaint days of candle lit death houses…

          • I think that's what he has – TB. He's on a breathing tube in intensive care right now.

            The new Pope appears to be Italian-speaking. He doesn't appear to be wearing a hazmat suit (yet).

            We're all saved, nothing more to worry about now.


              if I were any of them, Pu239, I wouldn't be risking ascension to the top, right now. We're only two years into this nightmare, and the revelations are gushing forth in a torrent. Nothing can hold back what's coming now…including the 'anointed' ones…

              • Pope Francis (Argentinian Jorge Mario Bergoglio) doesn't look too happy about it.

                You're right, there's an eery similarity between the white smoke pouring out of the Sistine Chapel and that out of the reactors at Fukushima.

                We're at a big crossroads. He knows it.


                  they all know it Pu239. And as we're discovering (but long suspected), they're attempting to blunt the impact of this horror, by keeping others in the dark. But it won't work any longer. Too many dynamic thinking machines have surfaced and are coalescing into a new consensus on where humanity's to go. The day's of promised never-never-lands are gone. We are ready to show love and compassion for one-another, but we're also finished with being subdued by the rhetoric of passive compliance. A great awakening is unfurling its wings and no amount of ammunition will block its flight…

                  • Nicely written Aftershock.

                    I note that are more and more articles about targeting uranium exports, e.g.

                    Fukushima survivor urges uranium ban
                    by: Marty Silk
                    From: AAP
                    March 13, 2013 4:56PM


                    They should also go after the finances of those who harbor, abet or otherwise encourage the use of these Weapons of Mass Destruction.

                    And, we need not pick on Iran just yet:

                    IAEA admits Iran nuclear energy program peaceful

                    • AFTERSHOCK AFTERSHOCK

                      speaking of divestment, Pu239, I'm curious if the medical sector's going to withdraw their financial holdings (portfolios) from the nuclear technologies industry, like they're doing with the small arms industry? Oh… that's right… cancer goes with nuclear power like prison goes with narcotics.

                      You'll never see that IAEA headline being featured in American MSM. And that statement that issues can be resolved “through diplomatic means and dialogue.” sounds like they're attempting to lull the Iranians into thinking they're dealing with rational parties in the 'West'. The so-called 'West' has no intention of allowing any nation to exist outside 'their' sphere of influence. It's obvious who the aggressors are…this time around…

                    • Um, I forgot to mention PressTV is Iranian, but still.

              • There was thunder and lightning as he walked out onto the balcony.

                I say no more.

  • I note that the News Herald (Ohio) was kind enough to print my short comment on this piece of trash:

    Commentary: Fukushima radiation proves less deadly than feared
    Published: Wednesday, March 13, 2013

    i.e. "Good try News Herald. Now, go and get the facts."

    The other comments are similar to mine, thankfully.

    Their trash:

    "Rather than stand as a warning of the radiation danger posed by nuclear power, in other words, Fukushima has become a reminder that uninformed fears aren't the same as actual risks.

    Why are the anticipated risks from Japan's nuclear accident so small? Perhaps the most important reason is that about 80 percent of the radiation released was blown into the ocean. Radioactive contamination of the sea sounds dreadful, but because oceans naturally contain large amounts of radioactive materials, the net increase in oceanic radioactivity is minuscule.

    Another reason the public was protected is that the 200,000 or so people living within 15 miles of Fukushima were rapidly evacuated. People living in a few hotspot towns slightly farther away who didn't leave on their own received the highest civilian doses."

    • PavewayIII PavewayIII

      Dr. Robert Peter Gale – Another punk in the Mengele Boyz Atomic Spinsterz street gang.

      His book sales must be seriously tanking if he has to spoon-feed the News-Herald 'radiation is your friend' articles along with his co-author.

      For whatever odd reason, the psychopaths at the Health Physics Society decided to make their debut on YouTube with three experts' reassuring us lower life forms not to worry about Fukushima. Overall, their track record is perfect: for the most part, nobody *does* worry about Fukushima anymore. Congratulations, HPS!

      The top three (blue background) short clips are on the HPS YouTube site here:


      I mean, who can argue with 'Leading Radiation Experts'?

      Let's see now… First trimester fetuses exposed to the harmless low levels of radioactivity in Fukushima will be having their second birthday in July through September of this year. Thyroid cancers and leukemias (the Doc is an expert in treating those) from prenatal exposure should start spiking in that unfortunate population.

      I hope Dr. Gale can find some spare time to treat a few of them instead of insisting they will never exist. Don't count on Mengele-san for help with the non-existent thyroid cancers. He's retired now and passes the time torturing small animals.

  • American Phoenix57

    Can anyone please give a newb an update on a "dosdos" 2011 quote for total Fukushima releases.

    October 29, 2011 at 5:14 pm

    Chernobyl released about 14.7 exabequerels total (all isotopes, atmospheric)

    Fukushima at last count has released ????? exabequerels (all isotopes, atmospheric and leakage)

    I'm a little overwhelmed. . . thanks.

  • Joe Ebslap Joe Ebslap

    I think it is fair to say "a shitload." Chernobyl on steroids. Mix in some Mox with that and you have the grand prize, FubarFukushima.

    • (rofl)

      I want to see that in scientific notation.

      Or, better, incorporate it as a new scientific unit. It's just as accurate as TEPCO's figures, maybe more.

      1 sl = x 1mSv = 1 sl mSv

      = an earlier death than I had planned ….