The Comprehensive Nuclear-Test-Ban Treaty Organization

Learning. Connecting. Growing.

Congratulations to the participants of the 2026 Mentoring Programme on reaching the halfway mark! 🎉

Mentees have completed deep-dive sessions exploring the CTBTO verification system and its three pillars: the International Monitoring System (IMS), the International Data Centre (IDC) and the On-Site Inspection (OSI). Meanwhile, mentors joined an interactive IDC-led seminar to strengthen their mentoring skills & build meaningful partnerships with the . 🔗https://www.ctbto.org/CTBTOMentoringProgramme

The SPALAX NG system has completed its successful year-long loan at the ’s TeST Centre in Seibersdorf and is now returning to France. The system supported three training activities, benefiting 20+ CTBTO staff and eight external experts from four countries. Many thanks to 🇫🇷 and CEA for this valuable contribution, strengthening the expertise behind the verification system.

Are you a supplier with expertise in subsea cable systems, underwater acoustics, marine electronics, fiber-optic sensing or advanced monitoring solutions? 🌊

Join the procurement-focused Hydroacoustic Supplier Event 2026 to connect with experts, explore upcoming opportunities and contribute to the future of the International Monitoring System’s Hydroacoustic Network.

📅10 September 2026
📍Vienna International Centre
🔗More details: https://ctbto.info/4dWPSDm

A Capacity Building System (CBS) was installed by at Jordan's National Data Centre (NDC), hosted by the Jordan Seismological Observatory. This further strengthens the NDC's ability to receive & analyse International Monitoring System (IMS) data & International Data Centre (IDC) products, enhancing national technical capabilities in support of the verification regime.

🌍 3 weeks. 14 experts. 14 countries.
Technical experts from across Africa, Asia, the Pacific and Latin America came together to strengthen their National Data Centres' (NDCs) capacity to access, interpret and use monitoring data and International Data Centre (IDC) products. The hands-on training covered seismic, hydroacoustic, and infrasound monitoring, event analysis and CTBTO software, with the final week dedicated to SeisComP. The course, generously co-funded by the EU, supports CTBTO's efforts to build national technical capacity and promote civil and scientific use of International Monitoring System (IMS) data worldwide. 📡

Speaking at the Institute of Foreign Affairs of Lao PDR, CTBTO Executive Secretary Rob Floyd
addressed civil servants from a range of government ministries in Vientiane. He spoke about how the combines science and diplomacy to ensure a safer world for all, highlighting the verification regime and the contribution of monitoring stations in ASEAN to regional security.