Undersea Cables

If you’ve ever emailed a resort in Fiji or Vanuatu about that long-awaited holiday, it’s likely your email traveled through an undersea internet cable. Such cables carry much of the internet traffic around the globe, in conjunction with underground fiber connections, satellites and microwave links.

For Pacific Island countries, undersea internet cables can be crucial. The number of Pacific Island countries with such connections has increased substantially in recent years. Even so, many countries still rely on a single cable and others have no cable at all.

Each undersea cable is about the width of a garden hose, made up of protective layers of metal and plastic wrapped around the hair-thin optic fibers that carry signals as pulses of light. There are more than 400 submarine cables crisscrossing the world’s seabed’s, with a combined length of 1.3 million kilometers.

Read more at “US-China tensions tug at Pacific internet cables”

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