In October 2006, North Korea conducted the first nuclear test which generated an explosive yield below 1kiloton of TNT
Seoul, September 9: North Korea appears to have conducted a fifth nuclear test Friday, authorities in Japan and South Korea said, after monitors detected a 5.3-magnitude “artificial earthquake” near its
Washington, Sep 9 : US President Barack Obama on Friday warned that the latest nuclear test conducted by North Korea will have serious consequences. Obama called the nuclear test a “provocation”
Pyongyang, Sep 09: North Korean says it has conducted a successful “nuclear warhead explosion” test meant to counter what Pyongyang calls US hostility, North Korean state TV reported. A seismic event