North Korean Nuclear Tests
2006
2009
2013
2006
- Carried out underground at Punggye-ri
- Powered by plutonium
- Released radioactive materials
2009
- Carried out underground at Punggye-ri
- Seismic signals were consistent with a nuclear test
- Radioactive material was not detected
2013
- Carried out underground at Punggye-ri
- Seismic signals were consistent with a nuclear test
- Estimated to be more powerful than devices tested earlier