NHK, Sep 25, 2015: Up to 100% of No. 2 reactor fuel may have melted — A group of researchers says it is highly likely that 70 to 100 percent of fuel has melted at one of the damaged reactors at the Fukushima Daiichi nuclear power plant. The group includes researchers from Nagoya University. . . . → Read More: TV: Experts conclude no nuclear fuel left inside Fukushima reactor — Total meltdown “highly likely” — Conducting more tests to determine how far down corium has penetrated (PHOTOS & VIDEO)
Meltdown: Analyzing the Radiation Leaks, NHK Documentary (2014):
4:15 – Many issues remain unexplained… What exactly was going on inside Reactor 2? The truth about the massive leak of radioactive materials is becoming clearer. 7:15 – Once the nuclear reactor’s core begins to meltdown, the resulting heat causes pressure inside to surge. This can . . . → Read More: Documentary: Photo captures moment containment vessel destroyed at Fukushima — Workers: White steam is coming out of reactor! Radiation spiking in central Tokyo! — US Nuclear Official: “Fukushima was nuclear power’s finest hour… everything worked as engineered” (VIDEO)
Asahi Shimbun, Sept 12, 2014 (emphasis added): Yoshida feared nuclear ‘annihilation’ of eastern Japan, testimony shows — Plant manager Masao Yoshida envisioned catastrophe for eastern Japan… In his testimony, Yoshida described the condition of the No. 2 reactor at the Fukushima plant between the evening of March 14, 2011, and the next morning: “Despite . . . → Read More: Top-Secret Fukushima Interview: All the melted nuclear fuel will escape from containment vessel … it’s completely exposed — Nuclear annihilation of entire eastern part of Japan envisioned
NHK, Aug 6, 2014 (:50 in): Tepco officials found more problems. After the accident, crews used fire engines to inject water into Reactor 2. But the water may have reacted with the fuel inside to produce hydrogen, raising the temperature significantly — and that sped up the meltdown.
Tepco Press Release, Aug 6, 2014: Unit . . . → Read More: Japan TV: Injecting water into Fukushima reactor accelerated meltdown — Nuclear fuel rods had “reaction generating large amounts of heat” — ‘Restricted’ Data: Monitoring post measured nearly 1,000,000 microSv/hr; Within hours radiation dose spiked 30,000% far away from plant (VIDEO)
NHK WORLD, June 9, 2014: TEPCO: Water in reactor half expected level — Officials with the operator of the damaged Fukushima Daiichi nuclear plant say the water level inside the No.2 reactor’s containment vessel is about half what they had estimated. [...] They found the water was around 30 centimeters [11.8 inches] deep. TEPCO . . . → Read More: Japan TV ‘News Flash’: Officials fear melted reactor fuel is now exposed at Fukushima — Tepco: We don’t know at this point if fuel is uncovered — Large drop in water level — Experts ‘struggling’ to find condition of nuclear cores, nothing is known for all 3 reactors (VIDEO)
CNN, May 13, 2014 (emphasis added): The push to plug the plumbing problem from hell at Fukushima Daiichi is about to get some help [...] The reactor is believed to be leaking highly radioactive coolant water through a rupture in a donut-shaped chamber at the base of the reactor. Matt Cole, Kurion’s engineering director, . . . → Read More: CNN: “Problem from hell at Fukushima” — Tons of ‘highly radioactive’ liquid pouring out of Reactor 2 each day — Mysterious explosive bang “deep inside” — 3 areas at bottom may be ruptured — Caroline Kennedy at Plant: US will help with the leaks; 21 y/o son also on Tepco’s 3 hour tour (VIDEO)
Title: The World Nuclear Industry Status Report 2013 Authors: Mycle Schneider, Antony Froggatt Date Published: July 2013
Mr. [Toru] Ebisawa, who had served NAIIC as an expert reactor engineer, estimated the amount of radioactivity that had seeped into the water that fills the basement of the reactor buildings (Unit-1, -2 and -3, as of . . . → Read More: Nuclear Engineer: Estimated 276 quadrillion Bq of Cs-137 entered Fukushima basements — Triple Chernobyl total release — A portion “has already made its way to aquifer, whence it can easily flow into sea”
Kyodo News, July 27, 2013: Tokyo Electric Power Co. said Saturday it has detected 2.35 billion becquerels of cesium per liter from water in an underground passage at the crippled Fukushima Daiichi nuclear power plant that is seeping into the sea [...] The trench, which is believed to be the source of the latest . . . → Read More: Kyodo News: Extremely contaminated water is seeping into Pacific Ocean from trench under Fukushima Reactor No. 2 turbine building — Tepco: We believe it’s staying within the pit
Title: Highly Contaminated Water Found at Fukushima, Japan Nuclear Accident Site Source: Wall St. Journal Author: WILLIAM SPOSATO, MARI IWATA Date: July 27, 2013 at 6:24a ET
Levels Recorded Haven’t Been Seen Since Soon After 2011 Disaster
Extremely high concentrations of radiation have been detected in water from near one of the reactors at . . . → Read More: WSJ: Extreme contamination found in trench at Fukushima plant — Cesium over 2 billion Bq/liter; Millions of times above limit
Wall Street Journal, July 8, 2013: Fukushima Watch: Tritium Levels Soar on Coast at Fukushima Plant [...] More than two years after the devastating accident at Japan’s Fukushima Daiichi nuclear plant, operator [Tepco] is seeing levels soar of a radioactive element called tritium. The problem spot is on the coastal side of the plant’s . . . → Read More: WSJ: Soaring radioactivity levels on coast of Fukushima plant — Nuclear material may have leeched from melted fuel cores and into environment
Title: Stunning Story from a Fukushima Daiichi Nuclear Power Plant Worker: Interview by Comedienne Oshidori Mako Source: “Datsutte miru?” Magazine 9 (April 15, 2013); No Border Asia Translation: World Network For Saving Children From Radiation Date: June 23, 2013
– Then, what is the most serious problem?
Worker: That is undoubtedly reactor #2.
Professor . . . → Read More: Tokyo Professor: Situation of Fukushima Reactor No. 2 is ‘beyond imagination’ — Worker: Undoubtedly it’s the most serious problem at plant… We are clueless
Source: The Medical and Ecological Consequences of the Fukushima Nuclear Accident, Day 1 Author: The Helen Caldicott Foundation Date Presented: March 11, 2013
At ~60:00 in
Arnie Gundersen, Fairewinds Energy Education:
What the NRC said in a phone call on March 23  is that the reactors at Daiichi were leaking at 300% . . . → Read More: NRC: Fukushima reactor’s containment leaked at 300% per day — Assumed only 1% (VIDEO)
Title: PROMETHEUS TRAP/ ‘Shadow units’ (9): SDF members told to hold their ground Source: AJW by The Asahi Shimbun Author: HIDEFUMI NOGAMI Date: March 22, 2013
The explosion that went off in the No. 3 reactor at the Fukushima No. 1 nuclear power plant on the morning of March 14, 2011, caused serious damage . . . → Read More: Asahi: The explosion at Fukushima Reactor 3 had seriously damaged Reactor 2 — “Worst possible case” was predicted soon after — Many workers abandoned facility
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 . . . → Read More: Japan Nuclear Expert: “Containment vessel continued to break at various spots, one after another” from Fukushima melted fuel — “It lost the protective wall which seals in radiation” (VIDEO)
Title: Session One: DESCRIPTION AND ANALYSIS OF ACCIDENT Source: The Medical and Ecological Consequences of the Fukushima Nuclear Accident Date: March 11, 2013, 9:00am to 6:15pm EST
Question: Why didn’t Reactor 2 explode?
Arnie Gundersen, Fairewinds chief engineer: Reactor 2 did explode […] In Reactor 2, the containment exploded.
There’s definitely a large . . . → Read More: Gundersen: The containment vessel exploded at Fukushima Reactor 2 — “There’s definitely a large crack” (AUDIO)
Title: Fukushima Digs In for Decades of Cleanup Source: Wall St. Journal Author: MITSURU OBE Date: March 8, 2013
[...] Last year, a radiation reading of 73 sieverts was recorded inside the containment structure of reactor 2—a level so high that it wouldn’t only kill a human instantly, but it also could even disable . . . → Read More: WSJ: Molten fuel could be outside Fukushima reactor — Experts concerned it’s not being cooled properly
Title: Flooding complicates clean-up at Japanese nuclear plant Source: Reuters By: James Topham and Mari Saito (Aaron Sheldrick; Editing by Robert Birsel) Date: March 8, 2013
[...] Plugging leaks in the reactors and removing the water is a necessary before removing melted fuel from the three damaged reactors. [...]
“We are developing remote technologies . . . → Read More: “Too many holes” in Fukushima reactors? May have to fill up suppression chambers with cement -Tepco
Title: Water is both the savior and the bane at Fukushima No. 1 Source: The Japan Times Author: Kazuaki Nagata Date: Mar 9, 2013
Water is both the savior and the bane at Fukushima No. 1 [...]
Tokyo Electric Power Co. isn’t making much progress decommissioning reactors 1, 2, 3 and 4 [...]
Water . . . → Read More: Japan Times: Melted fuel burned holes in Fukushima reactors — Explosions cracked containment vessels?
Title: Understanding the accident of Fukushima Daiichi NPS Source: IRSN (France’s Radioprotection and Nuclear Safety Institute) Uploaded by: fukushimafuture Date Uploaded: February 2, 2013 Film made in February 2012
At 8:45 in
Although it has kept its structure intact, Reactor 2 is the current source of the most important radioactive releases into the soil . . . → Read More: Video: ‘Most important’ source of radioactive releases into Pacific at Fukushima is Reactor 2
Enformable: Workers at Fukushima Daiichi drill new hole in torus of Unit 2 for survey [...] Workers found problems as they ran into steel pipes and metal grates which made it difficult to insert survey instruments. TEPCO is planning a survey that will measure the amount of radiation to ensure that no fuel is . . . → Read More: Fukushima workers drill new hole in Unit 2 torus — Tepco to check for melted nuclear fuel (PHOTO)
Title: TEPCO unable to locate source of leak in Fukushima reactor Source: AJW by The Asahi Shimbun Date: December 12, 2012
TEPCO unable to locate source of leak in Fukushima reactor
The operator of the Fukushima No. 1 nuclear power plant is grappling to locate the source of a leak of highly radioactive water . . . → Read More: Asahi: Tepco can’t find where huge amount of highly radioactive water is leaking at Reactor No. 2 — ‘Fractures’ in containment vessel suspected
Title: Book reveals human drama in Fukushima No. 1 crisis Source: The Japan Times Author: KAZUAKI NAGATA Date: Dec. 11, 2012 Emphasis Added
[...] Freelance journalist Ryusho Kadota, author of the book “Shi no Fuchi wo Mita Otoko: Yoshida Masao to Fukushima Daiichi Genpatsu no 500 Nichi” (“A Man Who was on the Brink . . . → Read More: Plant Chief: Fukushima 10 times worse than Chernobyl if containment vessel exploded