1、CRS INSIGHTNorth Koreas January 6, 2016, Nuclear TestJanuary 7, 2016 (IN10428) | Related AuthorMary Beth D. Nikitin |Mary Beth D. Nikitin, Specialist in Nonproliferation (mnikitincrs.loc.gov, 7-7745)North Korea announced that it successfully tested a hydrogen bomb (its fourth nuclear test) on Januar
2、y 6, 2016. The official statement also called the device an experimental or pilot H-bomb. It emphasized that North Korea would continue its policy of both building up its nuclear weapons program and developing its economy in parallel, and said that North Korea would not proliferate nuclear weapons t
3、o others. The statement reiterated that North Korea would not suspend or dismantle its nuclear weapons program unless the United States changed its hostile policy toward the country. Observers have been anticipating a new nuclear test by North Korea since a December 2015 statement by North Korean le
4、ader Kim Jong Un claimed that the country had a hydrogen bomb. Earlier statements by North Korean scientists cited fusion technology development, the basis for a hydrogen bomb, in the country.The U.S. Geological Survey detected a non-earthquake seismic event with a magnitude of 5.1 near the Punggye-