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Undersea internet cables can predict earthquakes

according to new text, one of the cables was used to detect earthquakes, proving that the technology really works. It could also be used to detect other ocean activities such as waves or currents, which is indeed a major breakthrough.

Undersea internet cables can predict earthquakes

New breakthrough may help better seafloor seismic detection


“The technology we propose has the potential to transform our ability to monitor the Earth. The seafloor can be outfitted with thousands of sensors without modifying the submarine’s existing telecommunications infrastructure,” the team said.

The team was referring to the section of the submarine cable formed by amplifiers and extenders. Most cables currently laid on the ocean floor have these devices installed to ensure that data streams have enough power to pass safely and reliably. These extenders are spaced between 45 and 90 kilometers along the length of the cable. They divide the cable into shorter “spans”. The team is based on these individual spans between extenders connected across the Atlantic.

If deployed globally, this approach could permanently deliver thousands of real-time environmental sensors on the seafloor using existing hardware. Interestingly, this innovation does not require any changes or additions to the underwater infrastructure. This makes the solution very affordable, scalable and quick to deploy.

The team believes that due to the high sensitivity of fiber optic cables, they can even extend their technology to track and understand other natural phenomena, such as deep water currents, long-term changes in seafloor temperature, and more. This innovation makes it easy to build accurate long-term climate models at a fraction of the traditional cost.