Question of the day

Where did France conduct its nuclear tests?

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Current Treaty Status
Member States178
Total Ratifications144
Annex Ratifications35
Latest State SignatoryBarbados
Latest Ratifying StateColombia
How does it work?

CTBTO runs 337 stations worldwide.
See how data are being recorded and transmitted.

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Latest Press Releases

11 August 2008

Signing of tsunami warning agreement between Japan and the CTBTOmore

01 July 2008

Media Advisory: CTBTO to conduct first integrated on-site inspection exercise in September in Kazakhstan more

25 June 2008

CTBTO will assist additional tsunami warning centres in the Pacific and Indian Oceans more

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Highlights

15 August 2008

A network of dedicated experts is constantly working behind the scenes to maintain and improve the network of 337 monitoring facilities of the CTBTO.more

09 July 2008

Turkey expresses strong support for CTBT during International Cooperation workshopmore

03 July 2008

CTBTO highlights in 2007: user-friendly Annual Report now on line!more

18 June 2008

Sweden’s Minister for Foreign Affairs meets with Executive Secretary of the CTBTO to discuss ways of accelerating the CTBT’s entry into forcemore

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CTBT in the News

Menon, Saran to arrive in Vienna before NSG meet (Thaindian)

(Yahoo) Japan signals approval of India-US nuclear deal

Australia revises: will give uranium to India if deal goes through (Indian Express)

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Article XIV Conferences

Find all the documents of the latest conference here.