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Scientists Spot an Undersea Fault Using Fiber-Optic Cables

Working from a beachside shack on California's Monterey Bay, Nate Lindsey fired a stream of infrared laser pulses down a long fiber-optic cable extending onto the ocean floor. The miles-long cable had been there for a decade, transmitting data to and from scientific instruments on the seafloor, but Lindsey, a geoscientist at UC Berkeley, was trying something new. He and his team had disconnected the cable from all its usual sensors so they could use the fiber itself to sense vibrations on the ocean floor.
Scientists Spot an Undersea Fault Using Fiber-Optic Cables
Wired November 28, 2019
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