The regime boasting it will have great destructive power and can be detonated at high altitudes. The test caused significant earthquakes and sent shockwaves through South Korea and Japan.>>
>> In the past few months, Pyongyang's increasingly put its destructive rhetorc into action, sending a missile over Northern Japan. And testing a long-range rocket, capable of hitting parts of the United States. Now, with this latest test, Pyongyang edges a step closer to arming itself with a nuclear weapon.