seabed
seabed on World Data Ocean: a running collection of 10 stories we have gathered and hand-picked because they are worth your time. Every post here touches on seabed in some way — the news, the analysis, the deep dives, and the occasional surprise find. A Global Hub for Ocean Intelligence 4 World Data Ocean is a centralized digital platform where researchers, scientists, and ocean enthusiasts converge to explore, analyze, and… New stories are added to this page as we find them, so check back if you want to keep up with what is happening around seabed, or subscribe to the RSS feed to get them as soon as they are published. Browse the collection below, or head back to the homepage to see everything World Data Ocean is covering right now.

1 Dead, 6 Missing After Tugboat Sinks While Towing Container Ship Off Busan
A maritime incident off the coast of Busan, South Korea, has resulted in one confirmed fatality and six individuals currently missing. The TNS Catcher, a 286-tonne tugboat, sank while towing a container ship approximately 9 km east of Oryukdo Island, capsizing at 1:29 p.m. and sinking completely at 3:27 p.m. This event underscores the increasing challenges facing maritime operations, as highlighted by recent reports of significant port delays impacting global vessel reliability.
How Geospatial Technologies are Helping to Complete the Effort to Map the World's Ocean Floor - Geography Realm
Mapping the world’s ocean floor—a monumental task historically hindered by technological limitations—is rapidly advancing thanks to geospatial technologies. Initiatives like the Seabed 2030 project are leveraging bathymetric lidar, sonar, and satellite altimetry to achieve a complete map by 2030, providing critical data for ocean management and climate modeling. This integrated data ecosystem reveals previously unknown features and supports informed decision-making.
The Underwater World - NOAA National Centers for Environmental Information (NCEI) (.gov)
Explore the vast and complex underwater world through NOAA’s National Centers for Environmental Information (NCEI). This resource provides validated, long-term data and visualizations, offering critical ocean intelligence for researchers, policymakers, and enthusiasts alike. NCEI’s datasets underpin empirical understanding of ocean conditions and changes, supporting informed decision-making for ocean stewardship. For deeper insight into data-driven solutions addressing global ocean challenges, see our related article, "Data initiative sets sights on tackling global ocean challenges."

America’s First Jones Act Rock Installation Ship Can Place 20,000 Metric Tons Of Rock On The Seabed
Great Lakes Dredge & Dock Corporation has significantly expanded its capabilities with the delivery of the *Acadia*, the United States' first Jones Act-compliant subsea rock installation vessel (SRIV). This pioneering vessel can deploy an impressive 20,000 metric tons of rock to the seabed, enabling critical infrastructure projects and bolstering coastal resilience. The *Acadia*'s arrival marks a key advancement in maritime engineering, supporting the growing demand for offshore wind development—as explored in our recent article, "Mapping offshore wind potential…".

Australia Investigates Damage To 2 Critical Undersea Communication Cables Off Perth
Australian Federal Police are currently investigating potential criminal activity following simultaneous faults detected in two critical undersea communication cables near Perth. These cables are vital for global data transmission, and the sequential nature of the failures warrants thorough assessment. Initial reports suggest deliberate interference, though investigations are ongoing to validate this hypothesis. This incident highlights vulnerabilities within critical infrastructure and underscores the importance of ocean intelligence. For further context on industrial incidents, see our report on the explosion at Port of Rotterdam.
Say a 1.2 megaton bomb were to be detonated roughly 6.8 miles deep underwater would it part the Ocean for a brief period exposing the sea floor?
The hypothetical detonation of a 1.2-megaton bomb at a depth of 6.8 miles underwater presents a compelling, albeit concerning, question. Empirical modeling suggests a transient, localized exposure of the seabed is plausible. The resulting shockwave and displacement of water would create a temporary cavity, though its duration and extent remain subject to complex hydrodynamic calculations. This event underscores the profound impact of extreme forces on the ocean environment.

Video: 8,401-TEU Container Ship Sinks Off Zhoushan After Salvage Efforts Fail
Salvage operations have concluded unsuccessfully for the 8,401-TEU container ship sinking off Zhoushan, China. The 20-year-old vessel is now facing further complications as an inbound typhoon threatens the area. This incident underscores the escalating risks to maritime transport globally, as evidenced by recent events such as the *MSC Baltic III* grounding in Newfoundland. Ongoing monitoring of these situations is critical for assessing and mitigating potential disruptions to ocean commerce and supply chains.

Ancient Arctic carbon is pouring into the sea, but the seabed captures most of it
Thawing Arctic permafrost is releasing ancient carbon into the ocean, prompting concerns about accelerated climate change. However, recent analysis of sediment cores near Herschel Island, Canada, reveals a reassuring mitigation: approximately 90% of this land-derived carbon is captured and buried within the seabed. Only a small fraction, roughly 10%, is converted into greenhouse gases. This discovery highlights a crucial, previously underestimated, natural process. For further exploration of innovative ocean technologies, see our coverage of the "Camera 1: 2026 Cook Islands ROV Exploration (EX2605)."

China Installs World’s Largest Offshore Wind Converter Station In South China Sea
China has achieved a significant milestone in renewable energy infrastructure with the installation of the world’s largest offshore wind converter station, dubbed the "Heart of Offshore Wind." Located approximately 100 kilometers off the coast of Yangjiang, Guangdong Province, this facility represents a major advancement in harnessing wind power from the South China Sea. The project underscores China's commitment to expanding clean energy sources.
Camera 1: 2026 Cook Islands ROV Exploration (EX26045)
World Data Ocean is pleased to announce Camera 1 data from the 2026 Cook Islands ROV Exploration (EX26045), a critical component of our ongoing ocean intelligence initiative. This expedition leverages cutting-edge remotely operated vehicle technology to generate high-resolution, validated imagery of deep-sea habitats. Preliminary analysis indicates significant biodiversity and unique geological formations. Further data and findings from Camera 2 (EX2605) will be released shortly. For broader context on the importance of marine science, see our recent article, "Women in marine sciences in India."