The break in Cinia's C-Lion1 submarine cable has been repaired and the direct submarine cable connection between Finland and Germany is back online and fully operational, according to Cinia, the state-controlled Finnish company that runs the link.
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The fault in the submarine cable was detected on Monday 18th of November 2024 at 4:04 am, and the repair work in the Swedish EEZ, east of Öland, was completed ahead of schedule on Thursday 28th of November 2024 at 9 pm (EET).
Outages included 1,200km link between Germany and Finland and 218km cable between Lithuania and Sweden.
Despite the need to bring in specialized equipment from outside the Baltic Sea, the repair process progressed swiftly. The repair vessel Cable Vigilance was dispatched from France immediately after the fault was detected.
The cable outage caused minimal disruption to Finnish society.
The cause of the cable damage remains under investigation. Cinia filed an official request for investigation with Finland's National Bureau of Investigation on 19 November 2024, and the authorities are continuing their investigation.
The National Bureau of Investigation will provide updates on the investigation as it progresses.
Cinia is involved in the design and development of the northern submarine cable system, which will create a new route between Asia and Europe, along which Finland and the rest of northern Europe are located.
The 14,000 km cable will run through the Arctic, creating an entirely new communications link between Asia, North America and Europe. Cinia is part of an international consortium preparing the construction of the cable.
When completed, the cable will complement and secure existing telecommunications links and create yet another new route from Finland to the world. ■
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