Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > sci.physics > #543718

Re: Nuclear Confusion: The Data Suggest North Korea's "H–Bomb" Isn't

Show all headers | View raw

Sam Wormley <swormley1@gmail.com> wrote:
> Nuclear Confusion: The Data Suggest North Korea's "H?Bomb" Isn't
>> http://www.scientificamerican.com/article/nuclear-confusion-the-data-suggest-north-korea-s-h-bomb-isn-t/
> 
> 
>> Researchers can estimate the yield of a nuclear explosion based on
>> the amplitude of the seismic waves it creates. Data collected at a
>> Global Seismographic Network Station in Mudanjiang, China, however,
>> suggest roughly a 3.4- to seven-kiloton blast, says Won-Young Kim, a
>> senior research scientist at Columbia University?s Lamont?Doherty
>> Earth Observatory. (A kiloton is equal to 1,000 tons of TNT.) Kim
>> calculated this yield based on the magnitude 5.1 body waves the
>> detonation sent rippling through Earth. This was more powerful than
>> North Korea?s previous nuclear test, a 2.2- to four-kiloton blast in
>> 2013 that set off waves equivalent to a magnitude 4.5 to 4.7
>> earthquake, but not nearly enough to confirm the use of a
>> thermonuclear bomb.
>>
>> Researchers have difficulty quantifying the exact size of North
>> Korea?s nuclear detonations because the depth of the explosive
>> device, properties of the rock surrounding the explosion and other
>> factors influence the seismic measurements produced, Kim says. North
>> Korea does not publicize the depth of its tests, although the
>> material at the test site in Punggye-ri is thought to be hard
>> granite.
 
Everybody has known this for days now, spamming shit head.


-- 
Jim Pennino

Back to sci.physics | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Nuclear Confusion: The Data Suggest North Korea's "H–Bomb" Isn't Sam Wormley <swormley1@gmail.com> - 2016-01-07 14:21 -0600
  Re: Nuclear Confusion: The Data Suggest North Korea's "H–Bomb" Isn't jimp@specsol.spam.sux.com - 2016-01-07 20:38 +0000
    Re: Nuclear Confusion: The Data Suggest North Korea's "H–Bomb" Isn't Sam Wormley <swormley1@gmail.com> - 2016-01-07 15:11 -0600
      Re: Nuclear Confusion: The Data Suggest North Korea's "H–Bomb" Isn't jimp@specsol.spam.sux.com - 2016-01-07 22:03 +0000
  Re: Nuclear Confusion: The Data Suggest North Korea's "H–Bomb" Isn't "hanson" <hanson@quick.net> - 2016-01-07 21:33 -0800

csiph-web