Annex 2 State*Yes
Signature Date24-SEP-1996
Ratification Date06-FEB-2012

Monitoring Facilities

LocationTypeTreaty CodeStatus
Lembang, Jawa BaratAuxiliary Seismic StationAS040Certified
Jayapura, Irian JayaAuxiliary Seismic StationAS041Certified
Sorong, Irian JayaAuxiliary Seismic StationAS042Certified
Parapat, SumateraAuxiliary Seismic StationAS043Certified
Kappang, Sulawesi SelatanAuxiliary Seismic StationAS044Certified
Baumata, TimurAuxiliary Seismic StationAS045Certified

Additional Information

Facility Agreement: Yet to be concluded

Tsunami Warning agreement: signed (10 November 2008), see CTBTO Press Release

Workshops and seminars hosted (selection):

Featured station: auxiliary seismic station AS043, Parapat


"It is our expectation that the process of ratification in Indonesia will encourage other countries, particularly those in Annex II, to also start their own ratification process."
Foreign Minister Marty Natalegawa at the 2011 Article XIV Conference in New York – full statement (PDF)

"And as the international community moves closer to the enforcement of the CTBT, humankind also moves away from the perils of the age of nuclear weapons toward a future of more durable security and peace."
Natalegawa in Spectrum 18 - article (PDF)

CTBTO Press Release announcing Indonesia's ratification

Workshops and seminars hosted (selection):

  • Two-day regional conference on the CTBT, 19 to 20 May 2014 in Jakarta, Indonesia

Country Profiles

Country Profiles