Underwater fiber-optic cables could moonlight as earthquake sensors
The seafloor cables that ferry internet traffic across oceans could be used to collect data
MOTION OF THE OCEAN FLOOR The network of submarine fiber-optic cables that deliver work e-mails and cat videos to computers around the world could double as undersea earthquake detectors. Existing cables are shown in purple; planned cables are in blue.
G. Marra et al/Science 2018