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

A brush with peace: CTBTO Youth Group art exhibit opens in Vienna and New York

Seismic shift: CTBTO's data key to rapid tsunami alerts, advancing SDG goals

Build-Up Exercise 2024: OSI capabilities tested in new terrain

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

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Ending Nuclear Tests

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News and Events

Beyond nuclear detection: CTBTO and the Hunga Tonga-Hunga Ha’apai eruption

Papua New Guinea ratifies CTBT, advancing Treaty universalisation in Pacific

Venezuela becomes 20th State to sign tsunami warning agreement with CTBTO

CTBTO unveils new permanent exhibit at Vienna International Centre

Russia's last global monitoring system station is installed, sending data

Schedule of sessions

Working Group B

Sixty-Third Session Of Working Group B

27 Aug 2024 -06 Sep 2024

Advisory Group

Sixty-Third Session Of The Advisory Group

24 Sep 2024 -27 Sep 2024

Working Group A

Sixty-Sixth Session Of Working Group A

16 Oct 2024 -18 Oct 2024

Training and Workshops

International Hydroacoustic Workshop 2024

09 Sep -11 Sep 2024

Hydroacoustic Training Course For National…

19 Aug -20 Dec 2024

Stm24: Specialized Technical Meeting On…

19 Nov -21 Nov 2024 09:00 am -05:00 pm

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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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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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