Mysterious tectonic fault zone found off California

…if we don’t know where seafloor faults are, coastal communities are going to be in the dark about any earthquake or tsunami threats…..We can harness the hundreds of thousands of miles of fiber optic cables that send emails, Tweets, and video messages ping-ponging across Earth every day. Scientists discovered California’s newest known offshore faults by borrowing a garden hose-size fiber optic cable that spans the seafloor of Monterey Bay and turning it into an ad-hoc seismic array….
Mysterious tectonic fault zone found off California
National Geographic November 28, 2019
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