Nouvelles écritures France 24 (French public television), published Oct. 28, 2014: The family once lived in Odaka, 15 kilometers from the nuclear power plant… Yoshiharu Sue, former Hitachi engineer: “Whenever I come back to collect our belongings, there are no voices, no cars, nothing, that’s why I never stay here for long”… The 14th of March 2011, 3 days after the earthquake and tsunami… Sue: “I heard a loud noise and then saw a purple cloud in front of a house in the mountains. I took a photo of it, it was an explosion at the nuclear plant, I knew a little about the subject and realized things were getting dangerous. So we left here on the night of the 14th of March.”
Recall the article by former Prime Minister Yukio Hatoyama and Diet member Tomoyuki Taira in Nature Magazine (emphasis added):
- A question that must be answered is what caused the explosions at the site. They were initially reported as being caused by the ignition of hydrogen… this has not been settled… Knowing whether a nuclear explosion took place is essential for predicting how much radioactivity might have been released… and how far it would have spread, as well as the state of the spent-fuel rods… Two observations suggest that this is plausible.
- First… [the government] reported finding heavy metals such as curium-242 up to 3 kilometres from the reactor site and plutonium-238 up to 45 kilometres away. These isotopes are deadly poisons… concentrations of 238Pu around the plant were much higher than usual… [Officials say it] must have come from the Fukushima reactor. If so, they suggest that broken spent-fuel rods might be scattered around the site…
- Second, the steel frame on top of the unit-3 reactor building is twisted, apparently as a result of melting… a hydrogen explosion should not have generated enough heat to melt steel. Initially, TEPCO claimed that the explosion in unit 3 generated white smoke; on re-examination, the smoke was black, and therefore unlikely to have been caused by a pure hydrogen explosion.
Others in Japan also question the claim hydrogen caused Unit 3′s explosion. Teruyuki Nakajima, of the Atmosphere & Ocean Research Institute at the University of Tokyo and Science Council of Japan:
- Slide 3: Hydrogen explosion of 1st reactor
- Slide 3: Hydrogen?? explosion of 3rd reactor
- Nakajima (at 5:30 in): “We see an explosion on 12th and 14th. This one [Reactor 1] would be a hydrogen explosion, but we don’t know about the cause of this explosion [at Reactor 3]. The government said it’s hydrogen — but there are a lot of discussions.”
Nakajima’s presentation is similar to one given by Mitsuo Uematsu, who is also with the University of Tokyo’s Atmosphere & Ocean Research Institute — Slide 4: Hydrogen explosion of reactor #3?
Published: October 30th, 2014 at 11:33 pm ET
- Engineer: 6 experts say nuclear explosion at reactor is possible — NRC: Fukushima Unit 3 explosion had 3 loud bangs, much larger than Unit 1 blast — Tokyo professor’s presentation adds question mark: “Hydrogen explosion of Reactor #3?” (VIDEO) December 28, 2013
- Reactor Designer: “It was a nuclear explosion” at Fukushima Unit 3; Plutonium scattered after blast — ABC: “There’s willful denial and lying going on here, even at the highest levels” (AUDIO) November 5, 2013
- Nuclear Engineer: New cover on Unit 4 can trap hydrogen gas during criticality in fuel pool — Blast would be close to a nuclear explosion, from a practical standpoint (AUDIO) November 22, 2013
- NBC: US officials “hid concerns… as Fukushima melted’ — CIA told nuclear regulator that blast was hydrogen, experts then noted “no evidence to support” this theory March 11, 2014
- Gundersen: New data shows Fukushima exceeds Chernobyl… Plumes seen emanating from both the Unit 3 fuel pool & reactor — Nuke Engineer: Broken fuel rods are above all 3 melted down reactors — Gov’t Experts: Unit 3 explosion may have damaged spent fuel & released even more radioactive material (VIDEO) February 9, 2015