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Submarine Cable Status

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Cable data © TeleGeography, CC BY-NC-SA 3.0 · Map data © Natural Earth · MapLibre

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Confirmed faultRepair underwayDegradedUnconfirmed reportRecently restoredFault locationCable, no incidentPlanned cableLanding point

© TeleGeography CC BY-NC-SA · Natural Earth · MapLibre

© TeleGeography CC BY-NC-SA · Natural Earth · MapLibre

Map
Incidents
Cables
Network

Jeju-Mainland 3 status · Submarine Cable Status

Jeju-Mainland 3

No reported incidents

Length: 236 km
Ready for service: 2000
Owners: KT
Suppliers: NEC

Landing points · 2

Goseong-ri, South Korea
Mijo-myeon, South Korea

Cable details and route: TeleGeography Submarine Cable Map, CC BY-NC-SA 3.0, retrieved 26 Sep 2026. Routes are approximate.