IHO

“The year 2026 will be remembered as a landmark year for the Organization.”⚓🌊 On this World Hydrography Day, listen to what Dr. Jonas has to say about how we are “Transforming How Ocean Data Is Sh..

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Happy World Hydrography Day 2026!🌊🌐 This year’s theme, “Transforming How Ocean Data Is Shared”, recognizes the growing importance of digital technologies and data interoperability in the maritime .

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Watch the full event for the 100 years of the International Hydrographic Organization (IHO) celebrated on the roof top of the organization in Monaco !

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Are search and rescue regulations suited to underwater activities?🤿🛟 Will climate change and sea level rise have an impact on the shape and size of States’ maritime territories?📈🏝️ What is the dif

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🌊 16 tsunami events have been recorded in 2025 alone, according to the NOAA National Centers for Environmental Information. This resulted in 339 injuries 🏥 and 2,748 houses damaged 🏚️. But what ca

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How hydrography shapes maritime limits and marine protection? ⚓📜 Who is involved in discussions on limits of the oceans and sea boundaries? 👥🤝 Find out in this interview with Lt. José Córdova of t

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⚖️How does UNCLOS adapt to modern-day challenges? 🌎What is the IHO-IAG Advisory Board on the Law of the Sea (ABLOS)? To find out, listen to these words from Att. Dr. Virginie Tassin Campanella, Fo..

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The S-101 standard for Electronic Navigational Chart (ENC) offers dynamic features, such as the possibility for more up-to-date data on currents or tides, as well as for the use of multiple languag...

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Dr. Mathias Jonas, Secretary General of the IHO, speech for World Hydrographic Day 2025.

Hydrographic data is a foundation for sustainable ocean use and effective ocean action. Watch this video by the International Hydrographic Organization to learn more.

The ocean is central to life on Earth. It provides food, jobs, and energy. Yet to this day we only have a map for 26.1% of the ocean. Some maps still rely on data collected as far back as the ...

Le domaine de l'hydrographie a beaucoup évolué au fil des années. Cette vidéo montre les évolutions technologiques à travers le monde.