Worldwide Nuclear Testing1945-2009

International Monitoring SystemProspective: 377 Facilities

Seismic Primary ArraySeismic Primary 3-comp Station

Seismic Auxiliary ArraySeismic Auxiliary 3-comp Station

Hydroacoustic (hydrophone) StationHydroacoustic (T-phase) Station

Infrasound StationRadionuclide StationRadionuclide Lab

Seismic Primary ArraySeismic Primary 3-comp Station

Seismic Auxiliary ArraySeismic Auxiliary 3-comp Station

Hydroacoustic (hydrophone) StationHydroacoustic (T-phase) Station

Infrasound StationRadionuclide StationRadionuclide Lab

Seismic Primary ArraySeismic Primary 3-comp Station

Seismic Auxiliary ArraySeismic Auxiliary 3-comp Station

Hydroacoustic (hydrophone) StationHydroacoustic (T-phase) Station

Infrasound StationRadionuclide StationRadionuclide Lab

Countries that have Signed and Ratified the CTBT

Countries that have Ratified the IAEA Additional Protocol

Countries that have Ratified the CTBT and Ratified the IAEA Additional Protocol

Countries Possessing or Planning to Develop Nuclear Energy

Countries Possessing or Developing Nuclear Energy

Complete IMS Network