The New York Times reported that the North Korean nuclear test seems to be a partial test. The newspaper cited officials who said the blast of the nuclear test was 1 kilotons or less, a fraction of power than the first nuclear weapon detonation. Officials believe there was some type of failure in the nuclear test. There were mixed seismic readings, but the U.S. government reported that a seismic readings of 4.2 magnitude. Officials believe that it is highly unlikely that the North Koreans faked the nuclear test with a chemical weapon.
News Source
The New York Times
