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State of emergency declared at Japan Nuclear Plant

The Giant Noodle

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HOLY CRAP!!!!!!!!!!! They cant put out the fire!!! :scared:

TOKYO — The Japanese government issued a state of emergency at a nuclear power plant Friday after a cooling system failure in the wake of the giant earthquake and tsunami off the east coast of the Pacific nation.
An administrator at the Tohoku Electric Power Co's Onagawa facility said the process for the cooling reactor is "not going as planned," adding that "nuclear emergency situation" has been declared. The company asked people nearby to stay calm, the official TV news channel NHK reported.

A fire broke out at the plant following the quake, the Kyodo news agency said. Prior to the Kyodo report, the company had said it had not received information on whether there had been any problems at the nuclear power plant after the disaster.
Separately, Fukushima Prefecture, the site of a Tokyo Electric Power nuclear power plant, said on Friday that the plant's reactor cooling system was functioning, denying an earlier report that it was malfunctioning.

CONTINUED: State of emergency declared at Japan nuke plant - World news - Asia-Pacific - msnbc.com
 
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Fire break out at nuclear power plant after Japanese quake
Agencies

Last Updated: Mar 11, 2011
A fire has broken out at one of Japan's nuclear power plants after the 8.9 magnitude earthquake that struck the country today, according to news agency reports.

The fire is reported to be at Tohoku Electricity’s Onagawa plant. The Japanese government has declared a nuclear power emergency situation, the news agency Jiji said, quoting the Japanese defence ministry .

However, the UN nuclear watchdog in Vienna saidthe four Japanese nuclear power plants closest to the earthquake have been safely shut down. "The four Japanese nuclear power plants closest to the quake have been safely shut down," the agency said in a statement, adding it was liaising with the Japanese Ministry of Economy, Trade and Industry on further details of the situation.


Fire break out at nuclear power plant after Japanese quake - The National
 
Radioactivity surges at stricken Japanese nuke plant

THIS IS HORRIBLE!!!!!!!!!! :scared:


TOKYO — Radiation reached around 1,000 times the normal level Saturday in the control room of the No. 1 reactor of the Fukushima nuclear power plant after the cooling system failed, Japan's Nuclear and Industrial Safety Agency said.

The agency said early Saturday that some radiation has also seeped outside the plant, prompting calls for further evacuations of the area. Some 3,000 people have already been urged to leave their homes.

The radiation surge followed Japan's massive earthquake, which caused a power outage that disabled a nuclear reactor's cooling system, triggering the government's first-ever state of emergency at a nuclear plant.


CONTINUED: Radiation 1,000 times normal at Japan nuke plant - World news - Asia-Pacific - msnbc.com
 
3 nuclear reactors in trouble after Japan quake

Wow this is getting serous, solar and coal is starting to look better by the day.Hopefully we can learn something from this disaster :shock:

<Cooling systems fail; radiation seeps outside one; thousands evacuated>

<Radiation surged to around 1,000 times the normal level in the control room of the No. 1 reactor of the Fukushima Daichi plant, Japan's Nuclear and Industrial Safety Agency said. Radiation — it was not clear how much — had also seeped outside, prompting widening of an evacuation area to a six-mile radius from a two-mile radius around the plant. Earlier, 3,000 people had been urged to leave their homes.>


<About an hour after the plant shut down, however, the emergency diesel generators stopped, leaving the units with no power for important cooling functions.>

3 nuclear reactors in trouble after Japan quake - World news - Asia-Pacific - msnbc.com
 
States of emergency have been declared at FIVE nuclear power plants now. This is serious as hell. Has anybody seen what these nuke plants look like? Let me show you one:

110311_japan-nuclearplant.grid-6x2.jpg


Notice something? No containment dome. They look just like the ones at Chernobyl. This could be a disaster which could be unparalleled by any other in history. I pray to God that Japan does not end up going through another Hiroshima or Nagasaki. There won't be explosions if any of these plants melts down, but the radiation and fallout will be there, nonetheless.

The irony contained within the possibilities here staggers the imagination. Let us all pray that a meltdown does not happen.
 
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Re: 3 nuclear reactors in trouble after Japan quake

Cooling equipment fails at Fukushima No.2 plant

The Tokyo Electric Company has warned the Japanese government of an emergency situation at a second nuclear plant in quake-stricken Fukushima Prefecture.

Tokyo Electric issued the warning about its Fukushima Number Two Plant on Saturday. The warning follows one earlier in the day for the Number One Plant.

The government's Nuclear and Industrial Safety Agency said equipment failures have made it impossible to cool 3 of the plant's 4 reactors. It said the situation poses no immediate threat of a leakage of radioactive materials.

The agency is considering whether it needs to issue an evacuation advisory to people living near the plant.

Saturday, March 12, 2011 08:18 +0900 (JST)


NHK WORLD English
 
Re: 3 nuclear reactors in trouble after Japan quake

Cooling equipment fails at Fukushima No.2 plant

The Tokyo Electric Company has warned the Japanese government of an emergency situation at a second nuclear plant in quake-stricken Fukushima Prefecture.

Tokyo Electric issued the warning about its Fukushima Number Two Plant on Saturday. The warning follows one earlier in the day for the Number One Plant.

The government's Nuclear and Industrial Safety Agency said equipment failures have made it impossible to cool 3 of the plant's 4 reactors. It said the situation poses no immediate threat of a leakage of radioactive materials.

The agency is considering whether it needs to issue an evacuation advisory to people living near the plant.

Saturday, March 12, 2011 08:18 +0900 (JST)


NHK WORLD English


Heh,:roll:this part(The agency is considering whether it needs to issue an evacuation advisory to people living near the plant.)

I would be so far away that they would have to make a long distance phone call telling me to move.
 
Re: 3 nuclear reactors in trouble after Japan quake

I'd like to point out that these are all older designs, much more dangerous than what are currently being built today, and that this will probably be used as anti-nuclear power propaganda by the same people that whine about the environmental problems that the world is experiencing when they could all be solved by transitioning to nuclear power.
 
Re: 3 nuclear reactors in trouble after Japan quake

Wow this is getting serous, solar and coal is starting to look better by the day.Hopefully we can learn something from this disaster :shock:

<Cooling systems fail; radiation seeps outside one; thousands evacuated>

<Radiation surged to around 1,000 times the normal level in the control room of the No. 1 reactor of the Fukushima Daichi plant, Japan's Nuclear and Industrial Safety Agency said. Radiation — it was not clear how much — had also seeped outside, ...


The normal radiation in the control room is probably measured in millirads, so 1000x normal radiation probably still wouldn't do you any significant harm. Generally speaking you want to keep your cumulative radiation exposure below 100 rad-hours, but most people survive 100 rad anyway... so it isn't necessarily a critical situation just yet.
 
The normal radiation count in the control room is probably measured in millirads, or even less. 1000x normal exposure probably still isn't dangerous.

Let's don't panic just yet.... "view with concern" perhaps.
 
5 nuclear reactors in trouble after Japan quake

TOKYO — The situation surrounding Japan’s earthquake-damaged nuclear power infrastructure grew more serious Saturday, as the Japanese government declared states of emergency at four more nuclear reactors and prepared to issue an unprecedented order to release radioactive vapor from a fifth to ease building pressure.

Concern on Friday had been focused on the No. 1 reactor at the Tokyo Electric Power Co.’s Fukushima Daiichi plant, which lost power after a massive 8.9 magnitude earthquake struck off Japan’s northeast coast, unleashing a deadly tsunami that killed hundreds and caused widespread devastation.

Failure of a backup generator shut down the cooling system of the plant’s 460-megawatt, No. 1 reactor.

Although a backup cooling system was being used, Japan's nuclear safety agency said pressure inside the reactor had risen to 1.5 times the level considered normal.

CONTINUED: Emergencies declared at 5 Japan nuclear reactors - World news - Asia-Pacific - msnbc.com
 
Is this more recent info?
Japan nuclear plant conditions are worsening, local media reports - latimes.com
Japan nuclear plant conditions worsening, local media reports
The Kyodo news agency says the cooling system has failed at three reactors at a nuclear power plant in Fukushima Prefecture in northeastern Japan and that the coolant water's temperature has reached boiling level.Reuters) - Japanese officials may only have hours to cool reactors that have been disabled by Friday's massive earthquake and tsunami or face a nuclear meltdown.

Tokyo Electric Power Co (TEPCO) (9501.T) is racing to cool down the reactor core after a highly unusual "station blackout" -- the total loss of power necessary to keep water circulating through the plant to prevent overheating.
At some point they are not going to be able to do anything to stop it.
 
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Re: 3 nuclear reactors in trouble after Japan quake

The normal radiation in the control room is probably measured in millirads, so 1000x normal radiation probably still wouldn't do you any significant harm. Generally speaking you want to keep your cumulative radiation exposure below 100 rad-hours, but most people survive 100 rad anyway... so it isn't necessarily a critical situation just yet.

Ten four, i still remember that from my lessons in abc warfare.
 
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Re: 3 nuclear reactors in trouble after Japan quake

Ten four, i still remember that from my lessons in abc warfare.

I would stilll want to wear lead underpants in the area
 
Pressure and releases



Without enough power for cooling systems, decay heat from the reactor cores of units 1, 2 and 3 has gradually reduced coolant water levels through evaporation. The consequent increase in pressure in the coolant circuit can be managed via pressure release valves. However, this leads to an increase in pressure within the reactor building containment. Tepco has said that the pressure within the containment of Fukushima Daiichi 1 has reached around 840 kPa, compared to reference levels of 400 kPa.



The company has decided to manage this "for those units that cannot confirm certain levels of water injection" by means of a controlled release of air and water vapour to the atmosphere. Because this water has been through the reactor core, this would inevitably mean a certain release of radiation. The International Atomic Energy Agency said this would be filtered to retain radiation within the containment.



However, the company's monitoring of Fukushima Daiichi 1 has separately shown an increase in radiation levels detected emerging from the plant via routes such as the exhaust stack and the discharge canal.



Over the last several hours evacuation orders for local residents have been incrementally increased and now cover people living within ten kilometres of the power plant.



CONTINUED FROM: Battle to stabilise earthquake reactors
 
Re: 3 nuclear reactors in trouble after Japan quake

How large of a radius would a meltdown/explosion make uninhabitable?
 
Pressure and releases



Without enough power for cooling systems, decay heat from the reactor cores of units 1, 2 and 3 has gradually reduced coolant water levels through evaporation. The consequent increase in pressure in the coolant circuit can be managed via pressure release valves. However, this leads to an increase in pressure within the reactor building containment. Tepco has said that the pressure within the containment of Fukushima Daiichi 1 has reached around 840 kPa, compared to reference levels of 400 kPa.



The company has decided to manage this "for those units that cannot confirm certain levels of water injection" by means of a controlled release of air and water vapour to the atmosphere. Because this water has been through the reactor core, this would inevitably mean a certain release of radiation. The International Atomic Energy Agency said this would be filtered to retain radiation within the containment.



However, the company's monitoring of Fukushima Daiichi 1 has separately shown an increase in radiation levels detected emerging from the plant via routes such as the exhaust stack and the discharge canal.



Over the last several hours evacuation orders for local residents have been incrementally increased and now cover people living within ten kilometres of the power plant.



CONTINUED FROM: Battle to stabilise earthquake reactors

I'm going to bed, now. I hope when I wake up everything is under control.
 
Re: 3 nuclear reactors in trouble after Japan quake

I would stilll want to wear lead underpants in the area


You betcha. I bet the Japanese have heard some sad tales from their ancestors of the after effects of Hiroshima and Nagasaki.:(
 
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