Unit 4 Reactor Well Video: Enhanced Images
More video from TEPCO from unit 4, this from the reactor well. Video 1 and video 2. TEPCO makes a
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Unit 4 Spent Fuel Pool Video: Enhanced Images
TEPCO took video of the interior of unit 4’s spent fuel pool. Video can be found here and here. Some things
Read moreUnit 2 Torus Inspection Video: Images And Analysis
Video was also released of the unit 2 torus inspection. The video quality is quite poor compared to the video
Read morePEER REVIEW: Unit 1 Video Stills Roof
Unit 1 video from October 2011. Click on the images for larger versions. They seem to spend lots of time
Read moreUnit 4 Overhead Crane Removed – Enhanced Images
TEPCO has removed the 100 ton overhead crane from unit 4. Asahi Shimbun has further details on TEPCO’s plan for
Read moreConfusion Over Unit 2 Quince Photo
There was some concern and confusion that TEPCO was possibly hiding something in a still photo they released. First was
Read moreUnit 2 Quince Expedition Analysis
Quince 2 made a trip into Unit 2 and successfully made it back out. A series of images were taken
Read moreTEPCO To Scope Unit 2 Again
TEPCO plans to scope unit 2 again using the same location. Workers will make the attempt in late March using
Read moreUnit 2 Update For Feb. 27 With Visuals
We are a bit late getting this out today. TEPCO still has not released certain temperature readings for unit 2.
Read moreUnit 2: Reactor Visual Display Of Changes For February 26
Unit 2 changes for February 26th. These visual maps of trends at unit 2 is a temporary effort to look
Read moreUnit 2: Something Is Going On – Visual Diagrams Of Daily Changes
Both NISA and the IAEA think there is enough of a chance that something is going on inside unit 2
Read moreUnit 2: More Sensors Rising, Not A Repeat From Yesterday Or The Day Before…
The RPV bellows sensor is up to 105c. It was at 66.6c yesterday and has been steadily climbing all day.
Read moreUnit 2: More Rising Temps And Other Curiosities
Unit 2 is seeing more temperatures rise. The CRD (control rod drive) housing has been on the rise at 233.1c
Read morePEER REVIEW: Dr. Saji’s Comments on IC at 1F1 and Thoughts On Unit 2
I am posting these here to save space on the live blog chat. Dr. Saji’s new comments sent via email
Read moreUnit 2 Update: CRD Sensor at 200, TEPCO Still Acts Like There Is A Problem
The CRD (control rod drive) sensor is sitting at about 200c currently. Hydrogen is at .06%, up from .04% but
Read moreUnit 2: TEPCO Re-declares Cold Shutdown, Data Says Otherwise
TEPCO re-declared cold shutdown on unit 2 today. Data we are seeing seems to not support this claim. The CRD
Read moreUnit 2 Update: Temps High, Nuclides Showing Up
Temperatures still running around 250 degrees in unit 2 at the “0” position temp gauge. NISA has instructed TEPCO to
Read moreUnit 2 Up To 275.9 Degrees, Excessive Radiation Being Discharged From Nuclear Plant
TEPCO declared the temperature sensor “likely broken” at unit 2 as we mentioned yesterday. Nuclear plant employees dismissed that claim
Read moreUnit 2 Update: Temp Spikes Over 90 Degrees
New report from TEPCO shows the gauge swinging above 90 degrees in an erratic pattern. As of 6:00 February 13
Read moreUnit 2 Update: 82 Degrees, Ever Increasing Water, What Might Be Going On
Unit 2 is now 82 degrees based on this press release. 2:15 JST Feb 12th. They have increased core spray
Read moreUnit 2 Now At 75 Degrees, Other System Changes
Unit 2 had been trending back down after a temperature spike over the last week. Today TEPCO sent out an
Read moreUnit 2 Back Above 70 Degrees, TEPCO Manipulating Data
Detailed temperature logs show unit 2’s sensor is going above 70 degrees twice recently. Once late on 23:00 February 8
Read moreUnit 2: What May Be Going On Inside
Water flow changes at unit 2 likely contributed to the recent heat up. Why changes back and forth between the
Read moreUnit 2 Status Update
UPDATE: TEPCO has told Japanese media that tests showed no xenon was found in tests. They do not think there
Read moreUnit 2 More Troubles, Unit 4 Continues To Have Water Leak
Unit 2 has seen the temperature steadily increase despite daily attempts to increase cooling. The pressure at unit 2 is
Read moreOfficials – Piping At Fukushima Unit 5 Has Insufficient Quake Resistance
Officials have admitted that unit 5 at Fukushima has pipe and support systems that did not meet 2006 anti-quake standards.
Read morePEER REVIEW: Unit 4 Debris Heat Images & Early Photos
After discussion of the piling of dirt, plates etc around unit 4 came up, questions about hot debris were wondered.
Read morePEER REVIEW: details and data on the scope of unit 2
Details provided here are for estimating what equipment was seen in the scope effort, what could potentially be determined by
Read morePart 2: Unit 2 Containment Scope New Images & Video
Earlier today we released a new set of video stills from the scope camera put inside the containment at reactor
Read moreMore On Unit 2 Scope Work, New Large Images From Video Release
These new images based on videos released by TEPCO today. These are not the initial few images TEPCO released yesterday.
Read moreMore Details On Unit 2 Camera Scope Work And Questions On The Camera Used
Questions arose this week about what camera was being used to do the scope project at unit 2 at Fukushima
Read moreEnhanced Photos Inside Unit 2 Containment Scope Effort
TEPCO successfully inserted the scope camera inside unit 2’s containment Thursday. Statements by TEPCO and NISA indicate they were unable
Read moreTEPCO Trial Run Of Containment Inspection At Unit 5
TEPCO has released a video and images of the practice run at unit 5 in anticipation of the scope inspection
Read moreWork Begins To Insert Scope Into Unit 2 Containment, Inspection Thursday
Work has finally begun to insert a radiation proof endoscope camera into the containment of unit 2 at Fukushima Daiichi.
Read moreMore Strange Happenings At Unit 4
There have been ongoing concerns and speculation about unit 4’s spent fuel pool since the New Years Day earthquake. As
Read moreQuake Causes Leak At Fukushima Unit 4 Spent Fuel Pool
After the New Years Day quake in Japan all appeared normal at Fukushima Daiichi. Now Japanese Media is stating there
Read morePeer Review: Email about roadmap and accident details at Unit 1
From: Genn Saji Subject: Earthquake (170, Dec 16-23) Date: Sun, 25 Dec 2011 13:03:34 +0900 Dear Colleagues: 280th – 287th
Read moreUnit 4 at Daiichi Cut Off, Didn’t Fall Off
It is unlikely that the portion of unit 4 that is no longer there fell off. More likely based on
Read more9 Months Since 3-11 Disaster
While people were still in shock from the massive destruction caused by the earthquake and tsunami it was announced in
Read moreNew Images Inside Unit 4
TEPCO recently released more images inside unit 4. The photos are to explain their theory that unit 3 spewed hydrogen
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