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Research festival: CTBTO showcases work at science event for all ages

Honduras signs tsunami warning agreement with CTBT

Equatorial Guinea ratifies CTBT, strengthening Treaty support

São Tomé and Príncipe becomes 176th country to ratify CTBT

Science and Technology Conference 2023 (SnT2023)

International Day Against Nuclear Tests

Timor-Leste ratifies CTBT, universalising Treaty in Southeast Asia

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Research festival: CTBTO showcases work at science event for all ages

Honduras signs tsunami warning agreement with CTBT

CTBTO Head hails Treaty "A Success Story" at NPT Review Conference

Timor-Leste ratifies CTBT, universalising Treaty in South-East Asia

Dominica ratifies CTBT, universalising Treaty in Latin America and the Caribbean

Hiroshima, Nagasaki mayors say CTBT is indispensable for Nuclear-Weapons-Free world

Spain signs tsunami warning agreement

Schedule of sessions

Working Group A

Sixty-Second Session

19 Oct 2022 -21 Oct 2022

Preparatory Commission

Fifty-Ninth Session

21 Nov 2022 -23 Nov 2022

Working Group A

Sixty-Third Session

29 May 2023 -30 May 2023

Training and Workshops

2022 National Data Centres (Ndc) Workshop

03 Oct -07 Oct 2022

Virtual Expert Meeting On Advances In…

17 Oct -21 Oct 2022 02:00 pm -05:00 pm

Virtual Expert Meeting On Special Studies On…

17 Oct -21 Oct 2022 02:00 pm -05:00 pm

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CTBTO Fact Sheet

International Monitoring System (IMS) Map

Verification Regime Brochure

Civil and Scientific Applications Brochure

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Join CTBTO on our mission to create a world free of nuclear testing. Learn more about employment and business opportunities with the Provisional Technical Secretariat.

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