 The German source which estimates for all the North Korea's past nuclear test has instead made an initial estimation of 14 kt, which is about the same (revised) yield as its previous nuclear test in 2013.However, the yield estimation for January 2016 nuclear test was revised to 10 kt in the subsequent nuclear test from North Korea.On February 7, 2016, roughly a month after the alleged hydrogen bomb test, North Korea claimed to have put a satellite into orbit around the Earth.