TeleGeography released a 2013 version of its Submarine Cable Map on Thursday showing the 232 cables that ferry telecommunications under water between countries. The mapmakers note that the number of cables do not denote capacity, but present an interesting visual of otherwise unseen connections around the world.
In addition to mapping the locations of the cables, the map shows a chart detailing the names and connectivity of all the cables installed between 1997 and 2012. For instance, the Challenger-Bermuda 1, built by Alcatel-Lucent in 2008, connects the US to Bermuda and had an initial capacity of 20 Gigabits per second, scalable to 320 Gigabits per second. The Unity/EAC-Pacific cable, lit in 2010 and funded in part by Google, connects the US and Japan (and cost around $300 million to build, according to Wired).
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