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Training, tech, Treaty commitments: LAC workshop strengthens regional capacity

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Bolivia leverages CTBT data to launch first-ever seismic design code

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Advancing operations and maintenance: Highlights from IMS' technical meeting

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CTBTO detects two earthquakes in northern Iran on 5 October

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Diving deep: CTBTO data helps discover new pygmy blue whale population

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Our Mission

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Ending Nuclear Tests

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CTBTO installs cutting-edge data system in Yemen, advancing regional capacity

Building Self-Sufficiency in On-site Inspection Operations

CTBTO Signs Facility Agreement with Indonesia

Member States reappoint Robert Floyd as CTBTO Executive Secretary

Art, peace and sustainability: mural unveiled at Vienna International Centre

Schedule of sessions

Working Group A

Sixty-Seventh Session Of Working Group A

22 May 2025 -23 May 2025

Preparatory Commission

Sixty-Fourth Session Of The Preparatory…

23 Jun 2025 -25 Jun 2025

Working Group B

Sixty-Fifth Session Of Working Group B

25 Aug 2025 -05 Sep 2025

Training and Workshops

Technical Training For Waveform Station…

19 May -23 May 2025

Regional Radionuclide Workshop And…

03 Nov -07 Nov 2025

Training Course On Ndc Capacity Building:…

02 Jun -20 Jun 2025

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CTBTO Fact Sheet

International Monitoring System (IMS) Map

Verification Regime Brochure

Civil and Scientific Applications Brochure

On-Site Inspection Brochure

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