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8.9 Earthquake has struck Japan

Pressure inside the pressurized reactor is now one atmosphere. The takeaway from this one piece of datum is that the primary containment vessel is ruptured.

Darren Addy said:
If the containment building is still intact, it could explain why radiation levels are not higher. But if they need to vent hydrogen and it blows the roof (as in No. 1 and No. 3) you will then likely see the full force of the (suspected) containment vessel leak.
Click to expand...

No more venting will be needed - the reactor now vents itself through whatever hole that explosion blew in it.

Hydrogen will be released or continue to be released as the rods continue to melt - if the secondary containment building explodes, yeah, it's game over.
 
Don't think this will probably show up on NHK English, but the translated Japanese is sobering enough:
If you aren't using Google Chrome, just run this URL through http://translate.google.com

http://www3.nhk.or.jp/news/html/20110315/t10014679641000.html

If radioactive material leaked out of the nuclear disaster is happening more, what do I care for? Radioactive materials released from nuclear power plants, gas to get out in the state of iodine and noble gas such as, first, from the need to prevent the radiation exposure from these. So if you have room ▽ is ample closed doors and windows, stopping and air-conditioning and ventilation fans, while ▽, or to move the shelter and stay outdoors, the water a handkerchief or towel or a mask It is effective to prevent the intake of radioactive material by covering your mouth and nose with wet. The dress code is important to keep ▽ exposure of the skin as possible. In addition, the import of radioactive material into the body through breathing and food ▽ "internal exposure" must be prevented as well. "Internal exposure" in the accumulation of radioactive materials and the body will be subject to long-term effects of radiation. Meanwhile, back home from the outside if ▽ is the need to wash your hands and face I changed clothes in Ue. Tap water or well water ▽, and food was left outdoors it must also be careful not to speak as much as possible.
Click to expand...
 
Ryan McGinnis said:
Pressure inside the pressurized reactor is now one atmosphere. The takeaway from this one piece of datum is that the primary containment vessel is ruptured.
Click to expand...

I heard them say that and thought the same thing. Forgot to mention that little point.


No more venting will be needed - the reactor now vents itself through whatever hole that explosion blew in it.
Click to expand...

True dat.

PM to "address the nation" (not "press conference"). Get thee to LIVE COVERAGE.
 
The scheduled press conference of the prime minister has a change of plan (via BBC):


0139: martyn_williams tweets: "Japan waiting for (PM) Kan. NHK said it would be "message to nation", rather than news conference".
Click to expand...
 
Japanese PM giving a rundown of the history of the reactor troubles.

"Very high levels" of radioactivity.
"High risk of future releases."
20KM radius evac zone.
Need 100% evac to 20km. 30KM evac possible depending on future events.

Making effort so that no further release.... (Blah, blah...)
Continuing efforts to inject water.

Ask of the nation: keep calm.

End of message.


Press questions to follow...
 
Unbelievable. Even when they say something they don't say anything.

Grouping reactors together in a cluster like this is great when things go wrong, isn't it? No. 4 is on fire from something else falling on it? With Japan's luck it was hit by a meteorite.

First the good news... little possibility of hydrogen explosion at No. 2 reactor...
 
That was pretty amusing -- the prime minister didn't even mention reactor number 2. A reporter shouted at him a question about #2, the PM came back to the mic and basically said other people will explain that in due time.
 
Confused about the radiation level -- he original said "millisivert" and then corrected and said "sievert". 32 sievert an hour would be a LOT of radiation; hard to say what he meant. Hopefully they clarify.
 
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