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Submarine Cable Installation: Key Insights and Methods

Submarine Cable Installation: Key Insights and Methods

First seen 10 Nov 2026, 05:38 UTC • •
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ThreatCluster AI
ThreatCluster •November 10, 2026 at 05:38 UTC
  • •Submarine cables account for 99% of global intercontinental communications.
  • •Installation involves specialized ships and extensive seabed surveys.
  • •Maintenance and repair of submarine cables are critical due to potential damage.

Submarine cables, which carry 99% of intercontinental communications, are for global connectivity. The installation process involves specialized cable-laying ships and extensive seabed surveys conducted by teams of experts. Fiber-optic cables are laid using a plow that digs trenches and installs the cables simultaneously. Maintenance is crucial, as these cables can be damaged by various factors, including fishing and natural disasters. Repair ships are equipped to raise damaged cables for repairs, which involve splicing new sections into the existing cables. The process is costly, with installations running into hundreds of millions of dollars. Despite the importance of these cables, many people remain unaware of their existence and the complexities involved in their installation and maintenance.

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Timeline

2026-11-05
Orange publishes article on submarine cables
Orange highlights the importance and installation methods of submarine cables, emphasizing their role in global communications.
Orange
2026-11-10
Tech.Yahoo and SlashGear publish articles on cable installation
Both outlets discuss the installation process of submarine cables, including the use of specialized ships and the importance of maintenance.
Tech.Yahoo
2026-11-10
SlashGear article echoes Tech.Yahoo's findings
SlashGear provides similar insights on the installation of submarine cables, reinforcing the information shared by Tech.Yahoo.
www.slashgear.com

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Common questions

How are submarine cables installed?
Submarine cables are installed using specialized ships that lay the cable while simultaneously digging a trench in the seabed.
What happens if a submarine cable is damaged?
If a cable is damaged, repair ships are deployed to raise the cable for repairs, which involve splicing new sections into the existing cable.
Why are submarine cables important?
Submarine cables are essential for global communications, carrying 99% of intercontinental data and telephone traffic.