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Submarine Telecommunication Cables

No matter what piece of dirt, rock, or ice we stand on across the globe, we are connected by a remarkable network: the physical backbone of our digital world.

448 active submarine cables span over 1.2 million kilometers beneath the ocean floor, carrying 99% of international data traffic. These cables literally connect every continent, linking the physical earth we inhabit with the digital realm we navigate daily.

448
Active Cables
1.2M km
Total Length

Cable Facts

  • Shortest: CeltixConnect (Ireland-UK) - 131 km
  • Longest: Asia America Gateway - 20,000 km
  • Data: 99% of international traffic uses submarine cables
  • Evolution: Cable count constantly changes as new cables enter service

Data & Image Source:

ClimateViewer 3D by Jim Lee

Licensed under CC BY-NC-SA 4.0

Additional info: submarinecablemap.com

As of early 2018 dataset

Submarine Cable Cross-Section

Submarine cable cross-section showing internal layers