From the FAQ: - Bandwidth: The new MAREA cable is capable of carrying 208 Tbp - Length: there are over 1.2 million kilometers of submarine cables in service globally. - Thickness: a cable is typically as wide as a garden hose

https://www2.telegeography.com/submarine-cable-faqs-frequent...

Relate article on CNN: https://edition.cnn.com/2019/07/25/asia/internet-undersea-ca...