Country Profiles
      
          Country
Japan
Annex 2 State*
Yes
Signature Date
1996-09-24
Ratification Date
1997-07-08
Monitoring Facilties
| Location | Type | Treaty Code | Status | 
|---|---|---|---|
| Japan Atomic Energy Research Institute Tokai, Ibaraki  | Radionuclide Laboratories | RL11 | Certified | 
| Kunigami, Okinawa  | Auxiliary Seismic | AS52 | Certified | 
| Matsushiro  | Primary Seismic | PS22 | Certified | 
| Isumi  | Infrasound | IS30 | Certified | 
| Ohita, Kyushu  | Auxiliary Seismic | AS51 | Certified | 
| Hachijojima, Izu Islands  | Auxiliary Seismic | AS53 | Certified | 
| Kamikawa-asahi, Hokkaido  | Auxiliary Seismic | AS54 | Certified | 
| Chichijima, Ogasawara  | Auxiliary Seismic | AS55 | Certified | 
| Okinawa  | Radionuclide | RN37 | Certified | 
| Takasaki, Gunma  | Radionuclide | RN38 | Certified | 
Additional Information
Tsunami Warning Agreement: signed (11 August 2008), see CTBTO press release
Japan was the fourth State to ratify the CTBT, see CTBTO press release.
Featured station: Radionuclide station RN38, Takasaki
Facility Agreement to be concluded.