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N. Korean nuclear blast probably less powerful than hoped for: Yale scholar
Yonhap News ^ | 05/28/09 | Sam Kim

Posted on 05/28/2009 6:44:23 AM PDT by TigerLikesRooster

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To: GalaxieFiveHundred

LOL it is!


41 posted on 05/28/2009 7:52:41 AM PDT by ConservativeMan55
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To: GalaxieFiveHundred

“DirecTV hates puppies. We don’t.”

42 posted on 05/28/2009 7:58:21 AM PDT by RichInOC (No! BAD Rich! (What'd I say?))
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To: AdmSmith; Berosus; Convert from ECUSA; dervish; Ernest_at_the_Beach; Fred Nerks; george76; ...

Well, not as far as I could throw him:

http://earth.geology.yale.edu/~jjpark/

I am originally from Orange County, California. My interest in the earth sciences began began after the 1971 earthquake in Sylmar, California tossed me from my bed. I was introduced to plate tectonics the following year and was hooked on earth science for life. I received my Bachelor of Science Degree in Physics from Princeton University in 1979, where I worked as a go-fer in the geology department. I gave my first talk at an AGU meeting in 1980, arguing against a theory that large earthquakes could cause observable changes in the Earth’s rotation axis. I received my Doctorate in Earth Sciences in 1985 from the University of California, San Diego. From 1985-1986, I did a post doc at Princeton University and from 1986 I have been on the faculty of Yale University.

more about Park:
http://earth.geology.yale.edu/people/moreinfo.cgi?netid=jjpark

-another source-

Russians overestimate power of North Korean blast ... again
Peter Alford
May 28, 2009
The Australian
http://www.theaustralian.news.com.au/story/0,25197,25547657-25837,00.htm

NORTH Korea’s nuclear explosion on Monday was far smaller than the initial estimate. The maximum likely yield of the North Korean device was four kilotons (the explosive equivalent of 4000 tonnes of TNT) or less, according to the emerging scientific consensus, rather than the 10-20 kilotons estimated on the day by the Russian Defence Ministry.


43 posted on 05/28/2009 8:24:41 AM PDT by SunkenCiv (https://secure.freerepublic.com/donate/____________________ Profile updated Monday, January 12, 2009)
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To: a fool in paradise
"If you are at ground zero you don’t have much hope but beyond that..."

A 20 mt nuke (Our average nuke arsenal) makes a crater 165 feet deep and anyone 30 miles away will have their clothing instantly burned off. They will die very fast if not instantly at that range. 60 miles out you may survive, but medical treatment will probably be unavailable, so you will die a slow agonizing death.

A nuclear barrage of thousands will leave few survivors in this nation you can be assured. There won't be anyone in the country who launched them either.

44 posted on 05/28/2009 8:34:02 AM PDT by Nathan Zachary
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To: a fool in paradise
"If you are at ground zero you don’t have much hope but beyond that..."

A 20 mt nuke (Our average nuke arsenal) makes a crater 165 feet deep and 2 miles wide.

45 posted on 05/28/2009 8:37:04 AM PDT by Nathan Zachary
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To: Nathan Zachary

And what about with a terrorist or rogue nation grade nuke?


46 posted on 05/28/2009 8:47:51 AM PDT by a fool in paradise (Justice is blind. Sonia Sotomayor is not even qualified to sit on an IMPARTIAL jury.)
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To: TigerLikesRooster
Park said if North Korea had built a detonator precise enough, it would have obtained a yield of 10-20 kilotons.

Or they could be testing small weapons that they are capable of being carried by their current stock of missiles, which is more probable.

47 posted on 05/28/2009 9:53:56 AM PDT by itsahoot (Each generation takes to excess, what the previous generation accepted in moderation.)
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To: TigerLikesRooster
And give a rats arse about the size of NOKOs recent nuclear test blast was how? The point is they have nukes and those nukes can kill millions, no matter there test size. I suppose this same moron, among others, will be covering the same BS when Iran eventually gets around to testing nukes, huh, all the while, missing the point, Iran has joined the ranks of those states that have nuclear weapons.
48 posted on 05/28/2009 10:17:57 AM PDT by cranked
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To: pabianice

Silly. That’s the NYTimes editorial board.


49 posted on 05/28/2009 10:21:21 AM PDT by <1/1,000,000th%
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To: TigerLikesRooster; Jet Jaguar; monkapotamus; AmericanInTokyo; All

I wonder if he plan something for Fourth of July weekend where Obama probably be in Hawaii kicking it we watching Twilight Zone on Sci fi channel


50 posted on 05/28/2009 10:50:05 AM PDT by SevenofNine ("We are Freepers, all your media belong to us, resistence is futile")
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To: TigerLikesRooster; Jet Jaguar; monkapotamus; AmericanInTokyo; All

I wonder if he plan something for Fourth of July weekend where Obama probably be in Hawaii kicking it we watching Twilight Zone on Sci fi channel


51 posted on 05/28/2009 10:50:14 AM PDT by SevenofNine ("We are Freepers, all your media belong to us, resistence is futile")
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To: TigerLikesRooster
N. Korean nuclear blast probably less powerful than hoped for: Yale scholar

"Other than that, Mrs. Lincoln, how did you enjoy the play?"

52 posted on 05/28/2009 11:37:23 AM PDT by martin_fierro (< |:)~)
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To: martin_fierro; All

From KCNA News Agency:

CPRK Regards S. Korea’s Full Participation in PSI as Declaration of War against DPRK

Pyongyang, May 27 (KCNA) — The Lee Myung Bak group of south Korea keen on the moves for confrontation and war against the DPRK in league with foreign forces on May 26 officially declared at last it would fully participate in the PSI despite the unanimous opposition of all Koreans and public opinion at home and abroad.

The Committee for the Peaceful Reunification of Korea issued a statement on May 27 in this regard.

It said:

The so-called PSI is a mechanism for a war of aggression built by the U.S. against the DPRK under the pretext of intercepting and blockading ships and planes, etc. suspicious of transporting weapons of mass destruction including nuclear weapons and missiles.

The PSI has been criticized and repudiated at home and abroad for its aggressive nature and illegality.

Moreover, full participation in the PSI by a side on the Korean Peninsula where the state of military confrontation is growing acute and there is constant danger of military conflict itself means igniting a war.

The DPRK, therefore, has already seriously warned the south Korean authorities against the above-said moves and repeatedly clarified its stand that it would strongly counter those moves of the Lee group, in particular, regarding them as a declaration of a war as it is pursuant to its American master’s policy.

Nevertheless, the Lee group undisguisedly took a step of fully participating in the PSI, which former regimes dared not do so, bringing the situation on the Korean Peninsula and inter-Korean relations beyond the uncontrollable danger line of a war.

It is preposterous for the Lee group to have opted to fully participate in the PSI under the pretext of the underground nuclear test of the DPRK for self-defense.

It is nothing strange and quite natural for a nuclear weapons state to conduct a nuclear test.

The anti-DPRK racket kicked up by the U.S. and its followers under that pretext is not truly aimed at the nuclear non-proliferation but prompted by their black-hearted intention to stifle the DPRK.

Now that the south Korean puppets were so ridiculous as to join in the said racket and dare declare a war against compatriots through their full participation in the PSI, the DPRK is compelled to take a decisive measure, as it has already warned.

The DPRK solemnly declares as follows in view of the prevailing situation:

First, The DPRK will deal a decisive and merciless retaliatory blow, no matter from which place, at any attempt to stop, check and inspect its vessels, regarding it as a violation of its inviolable sovereignty and territory and a grave provocation to it.

Second, The DPRK will take such a practical counter-action as in the wartime now that the south Korean authorities declared a war in wanton violation of its dignity and sovereignty by fully participating in the PSI.

The DPRK will never pardon the south Korean puppet group of traitors for going mad with confrontation and war, bereft of any reason as servants for outside forces in the moves for a war of aggression.

The Lee Myung Bak group will be held wholly accountable for the disastrous consequences to be entailed by its reckless hostile acts against the DPRK.


53 posted on 05/28/2009 11:58:01 AM PDT by jerseygirl
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To: TigerLikesRooster
He was consulted because he knows the relationship between a richter-scale earthquake reading and the raw energy release driving it, obviously...
54 posted on 05/28/2009 5:07:58 PM PDT by JasonC
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To: Nathan Zachary
No sorry, that isn't "our average nuke arensal". 20 megaton hydrogen bombs were a high end thing for manned bomber delivery.

In the missile era, that dropped to around 1 megaton, and lower to 1/3 to 2/3rds of 1 megaton for later highly MIRVed warheads. A 1 megaton warhead is a large warhead by today's standards, and the typical range is 150 to 600 kilotons.

Each missile then just carries 3 to 10 of the things...

55 posted on 05/28/2009 5:11:02 PM PDT by JasonC
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To: Nathan Zachary
More specifically, the active US arsenal at the moment has -

ICBM -

200 W78 on Minuteman, each 350 kilotons
300 W87 on Minuteman, each 475 kilotons

SLBM -

768 W76 on Trident, each 100 kilotons
384 W88 on Trident, each 475 kilotons

Airborne -

528 W80 on ALCM, each 5-150 kilotons (choice)
140 B61 gravity bomb, each 0.3-340 kilotons (choice)
100 B83 gravity bomb, each 5 kiloton - 1.2 megaton

All the air launched types are "dial a yield", variable power weapons that can be set low as tactical weapons or full as strategic ones. ALCMs are air launched cruise missiles. There are reserve warheads in addition to the above deployed totals, and another 500 or so theater-tactical weapons active, cruise missile or B61 gravity bombs.

Arms control agreements have led to most MIRVing being eliminated (as creating too much incentive to first strikes, a dubious proposition); Tridents that can carry 8-12 warheads only carry 4, and Minuteman that can carry 3 generally carry 1 (a few 2). Manned bombers can carry up to 20 ALCM each but typically have much less than their theoretical load.

The emphasis in the modern arsenal is all on minimum physical size and maximum accuracy. The error probable circle of the W88 on the Trident is 90 meters, for example, meaning half of all shots are expected to land within that distance of the aim point. Putting half a megaton on a specific city block is more than enough for silo-busting. 2/3rds of the sub missiles retained are deliberately softer W76s.

We simply don't use high megaton weapons anymore. Those things left the force in the late 1960s as missiles took over from manned bombers.

56 posted on 05/28/2009 5:50:07 PM PDT by JasonC
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