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cwemory
Joined: 14 Jan 2006
Location: Gunpo, Korea
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 Posted: Thu Oct 12, 2006 2:08 am Post subject: N Korea test - failure or fake? |
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N Korea test - failure or fake?
By Penny Spiller
BBC News
North Korea's claim to have successfully detonated a nuclear bomb on Monday sent shock waves around the world.
But as scientists pore over the blast's data looking for important clues about the North's nuclear programme, one question remains unanswered - was the explosion in fact a failure, or even a fake?
The doubts stem from the size of the blast which seismic monitors around the world picked up in northern North Korea on Monday morning.
Within a few hours, Russia said it was "100% certain" a nuclear test had been carried out and measured it at between five to 15 kilotons.
But South Korea, France and the US have all measured it at less than one kiloton, far smaller than the 12.5 kiloton bomb that was dropped on Hiroshima in WWII.
If it was a smaller explosion - and South Korea estimated it at the equivalent of just 550 tons - it would be theoretically possible, though very difficult, for the North to have detonated that amount of conventional explosives underground.
More likely, scientists say, the test did not go to plan.
Most first-generation nuclear devices are between 10 and 20 kilotons because it is the easiest size to build, says James Acton, of the London-based Verification Research, Training and Information Centre (Vertic).
"Both from a technological as well as a political analysis, you would expect North Korea to build a 10-20 kiloton bomb. The fact that it is smaller than that suggests the test was not very successful," he said.
Mr Acton said it was very difficult to tell the difference between a nuclear or a conventional explosion based on an earthquake measurement.
"At the moment, you would have to say the evidence of a nuclear test is inconclusive," he said.
France's Defence Minister Michele Alliot-Marie became the highest ranking government figure to express doubts about the test, speaking to French radio on Wednesday.
"Given its weakness, it is hard to say if it was an explosion with a very large amount of conventional explosive or indeed a nuclear explosion," she said.
"In any case, if this was a nuclear explosion, it would be a case of a failed explosion," she said.
Hunt continues
Given this uncertainty, governments and scientists are urgently working to find some proof, either way.
They are analysing the seismic data as well as testing for any radioactive material released by the blast and now in the atmosphere.
South Korea received a sophisticated radioactivity detector from Sweden on Wednesday to carry out further tests, officials said.
And US and Japanese monitoring planes based on the island of Okinawa are also believed to be flying in the region.
But officials have warned that the process could take time, and South Korea has warned it could be two weeks before conclusive proof is available.
Others, including one French nuclear official, have warned that Monday's nuclear test may never be confirmed.
Xavier Clement of France's Atomic Energy Commission said the seismic data had to be sifted to differentiate the blast from background noise of subterranean movement.
More tests?
Despite these uncertainties, China - North Korea's closest ally - has not given any indication it doubts Pyongyang's claim about the nuclear test, denouncing it in unusually strong words as "brazen".
And North Korea again on Wednesday reiterated that its scientists had "successfully conducted an underground test under secure conditions", and even threatened more tests if the US did not change its "hostile" policy.
Further North Korean tests could be an interesting indicator of the country's intentions and capabilities, the BBC's defence and security correspondent Rob Watson says.
A one-off test may be a sign it has only limited quantities of weapons-grade plutonium and has some way to go on the design of a nuclear weapon.
A second test would answer those doubts, and clear up the uncertainties still lingering from the first.
"It is possible that this cannot be done, given the weakness of the signals compared to the background noise," he told the French news agency AFP. |
http://news.bbc.co.uk/2/hi/asia-pacific/6040494.stm |
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NAVFC
Joined: 10 May 2006
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| Posted: Thu Oct 12, 2006 3:44 am Post subject: |
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| I think it was partially a failure. By that Im guessing they set off a nuke, but only part of the devices plutonium core was detonated during the chain reaction, which is probably flawed and caused the partial detonation. |
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cwemory
Joined: 14 Jan 2006
Location: Gunpo, Korea
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| Posted: Thu Oct 12, 2006 4:12 am Post subject: |
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| From my understanding, it'll take a couple weeks before they will know how sucessful the test was (or if there was one at all). |
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thepeel
Joined: 08 Aug 2004
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| Posted: Thu Oct 12, 2006 4:29 am Post subject: |
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If it was a fake, or if they failed, this could get even more interesting. We all know how Koreans get when their ethnic pride is on the line. KJI could throw quite the tantrum to "prove" it worked. KJI will go from being mildly feared to even more of a public joke. I can see the SNL skits about this already...
I wonder if VANK will email those publications who say it was a fake and set them right? |
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Neil
Joined: 02 Jan 2004
Location: Tokyo
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| Posted: Thu Oct 12, 2006 4:36 am Post subject: |
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| I had a really weird dream once where NK shot a missle towards Japan but it didn't have enough power to get there and fell into the East sea where it exploded that caused a tsuami to engulf Korea. |
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cwemory
Joined: 14 Jan 2006
Location: Gunpo, Korea
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| Posted: Thu Oct 12, 2006 4:39 am Post subject: |
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| Sorry, but what's VANK? |
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Neil
Joined: 02 Jan 2004
Location: Tokyo
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| Posted: Thu Oct 12, 2006 4:43 am Post subject: |
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| Voluntary Agency Network of Korea, supposed to be a group who promotes Korea's image abroad but in reality spams loads of crap about the East sea/Sea of Japan silliness and who IMO are quite conterproductive towards their aims. |
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