American researchers recently demonstrated how to transform existing submarine optical cables into a seismograph network to provide an unprecedented global view of all tectonic movements of the earth, thereby ending this problem. No need to try to install new equipment, just use existing marine cables, which everyone will use when connecting to the Internet.
The principle is that optical fiber sends digital data in the form of light. If the cable moves or changes direction, it may scatter or distort the light. By monitoring this phenomenon is called "backscattering". We can know where and how much the cable is bent with nanometer precision. It is more effective than a good old ground seismograph.
Most importantly, "There is no need to add equipment to the entire length of the cable. Just connect the seismic detector to the end of the fiber. Nathaniel Lindsay, the lead author of the study, said. Once the test is completed, this new system should mainly involve the largest possible Moving the cable will help permanently eliminate important ocean "blind spots." Seismologists have been gnashing their teeth.
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