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 Message Boards » » Earthquake hits Japan Page 1 2 3 [4] 5 6 7 8 ... 12, Prev Next  
Smath74
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holy shit

3/12/2011 4:53:00 AM

TreeTwista10
minisoldr
148201 Posts
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looks like the Fukushima Nuclear Plant evacuation radius has just been increased from 10 kilometers to 20 kilometers

Quote :
"Nuclear expert doubts authenticity of Australian radiation fallout map from Fukushima nuclear plant.
6 minutes ago via Twitter for Mac"


from @LiveNewsWire

[Edited on March 12, 2011 at 5:13 AM. Reason : .]

3/12/2011 5:09:51 AM

Charybdisjim
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5486 Posts
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I apologize because this is from a post I made much earlier another site - its long and technical-ish but some of you may find it interesting. This is not expert analysis, though some people have accused me of being a nuclear engineer and physicist. Take my guess with a grain of salt.

That looks like what you would see if a hydrogen bubble formed in the top of the containment structure and ignited - suddenly increasing the already dangerously high containment pressure and causing partial collapse/perforation of the reinforced concrete. To be clear, I do not mean that would automatically mean the pressure vessel has ruptured but that the concrete building around it may have been ruptured. I can not be certain and I hope I'm wrong, but that is what it looks like.

The most problematic potential source of hydrogen that would produce sufficient quantities rapidly enough even if containment were already being vented to atmosphere would be if the core had partially gone dry and the cladding material (zircalloy) were to reach temperatures over 1200 C. At that temperature you start forming zirconium which can react with steam to produce hydrogen gas. This reaction is exothermic (like fire is) and can be self sustaining - converting a significant portion of the exposed (dry) cladding and small amounts of fuel/corium into a gaseous mixture of hydrogen gas and a diverse assortment of radioactive daughter products.

During emergency conditions where the pressure vessel is being vented into containment, normally powered fans have no electricity, and sprayers have run dry a dangerous level of hydrogen can build rapidly in the top of containment. If a zirconium-steam reaction was the source of hydrogen leading to this explosion that would be particularly bad because there would be large amounts of core material mixed in with the plume. The pressure vessel may still be intact but what is being vented now may include an aerosolized mixture of steam, concrete dust, and corium (cladding+fuel+lattice).

3/12/2011 6:21:23 AM

wwwebsurfer
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10217 Posts
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why does every other person in japan wear a facemask?

3/12/2011 7:50:53 AM

dFshadow
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http://atomicinsights.blogspot.com/2011/03/nuclear-plant-issues-in-japan-are-least.html

3/12/2011 8:20:01 AM

qntmfred
retired
40582 Posts
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the american red cross is of course taking donations

http://www.redcross.org/

3/12/2011 8:33:37 AM

dFshadow
All American
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i hope none of you are this stupid

3/12/2011 8:51:22 AM

BigMan157
no u
103352 Posts
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if you have uverse, they've unlocked TV-JAPAN so you can watch all this on their news

[Edited on March 12, 2011 at 9:22 AM. Reason : ch. 3680]

3/12/2011 9:02:15 AM

jstpack
All American
2184 Posts
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^ what channel is that?

uverse, ftw.

3/12/2011 9:08:41 AM

IMStoned420
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Dude, people are fucking stupid as hell.

3/12/2011 9:13:56 AM

DoeoJ
has
7062 Posts
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i bet the people referencing pearl harbor don't even know when it occurred. mouth breathers.

3/12/2011 9:16:35 AM

Joie
begonias is my boo
22491 Posts
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jesus

3/12/2011 9:26:23 AM

ThePeter
TWW CHAMPION
37709 Posts
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Fuckin' lol at the Pearl Harbor shit, though I bet a ton of veterans are all :3 about this.

3/12/2011 9:52:04 AM

Dammit100
All American
17605 Posts
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how do the good people of St. Louis, MO know that their city moved an inch?

3/12/2011 10:32:26 AM

sawahash
All American
35321 Posts
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I did a quick scan of facebook statii and luckly I have no freinds who said anything about Pearl Harbor.

3/12/2011 10:47:18 AM

Dieselshirt
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I was in my office in Tokyo when this earthquake broke out. I was struggling to stay on my feet. There were many afterquakes. I felt I was on a ship. All the tall buildings around my office were like wobbling buildings in page 3 video. It was scary...

The trains totally stopped, so I had to walk for 2.5 hours+ to go to my sister's apartment.

[Edited on March 12, 2011 at 11:52 AM. Reason : scary...]

3/12/2011 11:50:58 AM

Godzilla
Veteran
111 Posts
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RAAWWRR!

3/12/2011 12:13:47 PM

icyhotpatch
All American
1885 Posts
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All those Pearl Harbor people must have forgotten about the two nuclear warheads we dropped on Japan...

3/12/2011 12:26:50 PM

wolfpackgrrr
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Quote :
"why does every other person in japan wear a facemask?
"


So they don't spread infection/keep from breathing in particles.

That sucks about the Fukushima Power Plant but they've been having issues with that plant for awhile now, complete with government coverups, bribes, etc. There's two other nuclear power plants that have also been having serious issues. It's kind of scary.

Quote :
"if you have uverse, they've unlocked TV-JAPAN so you can watch all this on their news
"


Thanks for the head's up

3/12/2011 12:34:17 PM

wolfpackgrrr
All American
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omg the video on TV Japan right now is intense

3/12/2011 12:37:28 PM

Snewf
All American
63345 Posts
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what's going on?

I can't understand shit on the tv here

3/12/2011 6:25:25 PM

TreeTwista10
minisoldr
148201 Posts
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Snewf are you feeling aftershocks every 3 hours or so?

Also, word to the wise, I wouldn't travel north of Tokyo without a radiation suit, just as a precaution

3/12/2011 6:26:31 PM

roddy
All American
25832 Posts
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Snewf is not going anywhere, here is his rental....



[Edited on March 12, 2011 at 6:32 PM. Reason : w]

3/12/2011 6:31:07 PM

TreeTwista10
minisoldr
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250+ aftershocks records with magnitude of at least 5.0

saying there still might be a 7.9 or 8.0 aftershock

3/12/2011 6:33:43 PM

Snewf
All American
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I'm not really feeling aftershocks

the building was just swaying a bit but I'm on the 14th floor so I figured that's natural

3/12/2011 6:35:53 PM

TreeTwista10
minisoldr
148201 Posts
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what day did you fly in?

3/12/2011 6:36:45 PM

roddy
All American
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He would have to go within 15 miles of the nuclear power plant....probably even closer, and the wind is blowing that shit out to sea anyways, for now.

3/12/2011 6:37:20 PM

Snewf
All American
63345 Posts
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I got in last night

3/12/2011 6:41:37 PM

Dieselshirt
All American
3805 Posts
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Snewf, are you in Tokyo? What are you doing?

3/12/2011 11:54:13 PM

Dieselshirt
All American
3805 Posts
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Some before and after pics.
http://www.abc.net.au/news/events/japan-quake-2011/beforeafter.htm

3/13/2011 3:23:06 AM

Doss2k
All American
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Wow those before and after pics really do put it into perspective

3/13/2011 9:38:29 AM

wolfpackgrrr
All American
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^^ Wow. That one in Kashima is particularly amazing. A lot of towns are built on filled in rivers and deltas like that in Japan. The area I was living in I was living on land that used to be a lake. I guess it's a good thing it's a land-locked prefecture of my whole town could have looked like Kashima

3/13/2011 11:04:21 AM

CalledToArms
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Quote :
"This is what I think happens with the nuke plant

Plant shut down when quake occurred, as normal emergency procedure. First backup power for reactor cooling was external power from another plant. That plant also shut down. Third power source were onsite generators which were damaged in the flood thus there is no power source for cooling operations. Meltdown ensues"


I haven't gotten to read as much about this as I would like since I was out of town camping until late last night. That being said, I'm slightly confused since these are BWR reactors. I guess all the emergency options must have been damaged during the quake? There are supposed to be emergency cooling systems in these BWR plants that do not require backup power/external power of any kind and run purely off of the steam being produced at the reactor needing to be cooled. (obviously in addition to all the emergency cooling systems that do rely on batteries or generators)

3/13/2011 11:17:58 AM

wolfpackgrrr
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^ That company has a track record of covering up data concerning the safety of their plants, so it wouldn't surprise me at all if they all failed or weren't working correctly in the first place. Right now the Japanese government seems to be working like this on the meltdown:

Part 1:
http://www.youtube.com/watch?v=Dp0MYehZPnY
Part 2:
http://www.youtube.com/watch?v=w5P7NIjUG0M

3/13/2011 11:29:48 AM

CalledToArms
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yeah. I'm assuming the plant I was working on for over a year (an expansion on a plant in Texas) might hit a stand-still now since TEPCO was a huge financial investor on the project. I just hope this doesn't fuel the fire for the anti-nuke people here in the US.

3/13/2011 11:36:32 AM

bobster
All American
2298 Posts
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couple of favorites:
Quote :
"Yeah i hate it for japan but remember those idiots started world war 2..."

Quote :
"those damn krauts deserve to be hit by a earthquake tsunami for nuking pearl harbor."

Quote :
"why us lord only in america were uther country's blow us up and we or our back stabine pres wan'ts to help out the people that blu up pearl harbor. maybe to you to remember, oh thats right he was only what 4 yrs old"


{Grammar intact}

3/13/2011 11:42:40 AM

wolfpackgrrr
All American
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I didn't realize Japan is a part of Germany

3/13/2011 11:44:26 AM

Ronny
All American
30652 Posts
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Quote :
""those damn krauts deserve to be hit by a earthquake tsunami for nuking pearl harbor.""

3/13/2011 11:47:36 AM

DoeoJ
has
7062 Posts
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people's general lack of basic knowledge of history is terrifying to me.

many other problems with those statements aside, does that guy or gal really think obama was 4 years old when pearl harbor was hit? or did i just mis-read idiot speak?

[Edited on March 13, 2011 at 11:48 AM. Reason : .]

3/13/2011 11:47:41 AM

bobster
All American
2298 Posts
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too big to post
http://i.imgur.com/o9hr8.jpg

also, search for yourself http://youropenbook.org/?q=pearl+harbor&gender=any


Quote :
"What did Japan ever do for us? Pearl Harbor"

They gave us NINTENDO and PLAYSTATION YOU FUCKS!

Quote :
"If karma was going to punish anyone for Pearl Harbor, surely it would be Michael Bay or Ben Affleck"

lol

[Edited on March 13, 2011 at 11:59 AM. Reason : l]

3/13/2011 11:51:15 AM

Snewf
All American
63345 Posts
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it is business as usual in Tokyo

I spent the day touring

I will be doing more of that tomorrow

3/13/2011 2:15:24 PM

0EPII1
All American
42535 Posts
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new cars waiting to be shipped

3/13/2011 6:36:10 PM

roddy
All American
25832 Posts
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Job security in China, cleaning up a lake....



[Edited on March 13, 2011 at 7:18 PM. Reason : w]

3/13/2011 7:16:28 PM

Dieselshirt
All American
3805 Posts
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My company is closed today and tomorrow because of possible strong earthquake for the next couple of days...

3/13/2011 9:24:31 PM

OldBlueChair
All American
5405 Posts
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Quote :
"officials in northeastern Japan are warning residents that the area could be hit by another tsunami and are ordering residents to higher ground.

Sirens around the town of Soma went off late Monday morning and public address systems ordered residents to higher ground.

Kyodo News Agency said the tsunami could be 10 feet (3 meters) high, citing Fukushima prefectural officials.
"


Seen from a helicopter. They can't get a break

3/13/2011 10:44:43 PM

Kiwi
All American
38546 Posts
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WTF where is it coming from? An aftershock?

3/13/2011 10:46:09 PM

wolfpackgrrr
All American
39759 Posts
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^ yep.

3/13/2011 10:50:26 PM

Kiwi
All American
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3/13/2011 10:51:45 PM

TreeTwista10
minisoldr
148201 Posts
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http://services.google.com/earth/kmz/realtime_earthquakes_n.kmz

(Google Earth plug-in/filter of updates, in real-time)

3/13/2011 11:36:34 PM

shmorri2
All American
10003 Posts
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This makes me very, very sad

3/13/2011 11:39:41 PM

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