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Submarine cables are often buried to protect them from fishing activities, anchor drags, and natural hazards. The depth and protection are critical for minimizing service interruptions.

Maritime navigation needs to take submarine cable locations into account to avoid anchor damage to the cables. Accidentally severing a cable can lead to costly repairs and significant communication disruptions.

Submarine cables are laid using specialized ships that carry the cable across the seafloor, often at depths of several kilometers. These cables are crucial for global communications, carrying 99% of international data.

Submarine cable repair involves locating the fault, bringing the cable to the surface, and splicing a new cable section. It's essential for maintaining the integrity of global communication networks.

Redundant routes for cables help avoid total communication failure in case one cable is damaged. This ensures that data can be rerouted, thus maintaining international connectivity.

Submarine cable maps are used to identify the routes of undersea cables, which is important for both maintenance and laying new cables without disturbing existing ones.