Fiber optic cable broken in Mozambique

Mozambique experienced moderate internet disruptions due to failures in the SEACOM and EASSy submarine fiber optic cables, affecting connectivity across the country and neighboring regions.Cause of th...

Fiber optic cable broken in Mozambique

Mozambique experienced moderate internet disruptions due to failures in the SEACOM and EASSy submarine fiber optic cables, affecting connectivity across the country and neighboring regions.

Cause of the Interruption

The recent internet disruption in Mozambique was caused by damage to the SEACOM and EASSy submarine cable systems, which are critical for connecting Mozambique to the global internet via undersea fiber optic networks . The faults occurred on segments between Mozambique and South Africa, temporarily reducing internet speeds and partially compromising online services . These submarine cables transmit over 90% of international data traffic, making them essential for communication, streaming, and business operations .

Affected Areas

Mozambique experienced a moderate impact, while neighboring countries such as Malawi, Tanzania, Kenya, Zimbabwe, Eswatini, Uganda, and Rwanda also reported varying levels of disruption . Tanzania and the French island of Mayotte were the hardest hit, with severe connectivity losses . Some regions, like Nairobi in Kenya, experienced temporary outages, though redundancy measures helped restore partial service .

Economic and Operational Impact

The interruption caused financial losses for telecom operators including Mozambique Telecom (Tmcel), Movitel, TVCABO, and Vodafone M-Pesa, as online services and communications were partially disrupted . Submarine cable failures are costly to repair and can take months to fully assess and restore, highlighting the vulnerability of relying on a limited number of undersea cables . Historically, improved connectivity through SEACOM and EASSy has enhanced internet usage and economic opportunities, particularly in urban areas like Maputo .

Infrastructure and Mitigation

Mozambique has three main submarine cables connecting it to the African continent and beyond, passing through South Africa, Kenya, Cameroon, and Algeria . To improve resilience, the country has also installed cross-border fiber links to South Africa via eSwatini and Komatipoort, providing alternative routes that can take over during outages . These redundant links aim to ensure uninterrupted communications and strengthen the stability of Mozambique's digital infrastructure .

Summary

The fiber optic cable interruption in Mozambique underscores the critical role of submarine cables in global connectivity and the economic importance of maintaining robust, redundant infrastructure. While the SEACOM and EASSy failures caused temporary disruptions, ongoing investments in alternative fiber routes and redundancy measures are helping to mitigate future risks .

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