Expired50% confidenceFactExact time
There are approximately 400 submarine cables worldwide with a total length exceeding 1.3 million kilometers.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
9/7/2026
First Seen
Valid until: 9/21/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedSubmarine cables carry more than 95% of intercontinental data transmission.76% similarUnverifiedModern HVDC systems have a clear economic advantage over AC systems for ultra-long-distance transmission (exceeding 800 kilometers) and submarine cable transmission.58% similarUnverified太平洋横渡全程距离约4800公里起，公认难度远超大西洋56% similar
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