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Searching for Faults From Afar

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By Woods Hole Coastal and Marine Science Center July 12, 2021

For our project, the R/V Marcus G. Langseth is towing a 12-kilometer-long hydrophone streamer that records sound reflected from deep below the seafloor, which is helping scientists image the structure of the Cascadia Subduction Zone and megathrust fault. The streamer records data as a function of the time it takes for sound to travel from the ship’s source down to “reflectors”

For our project, the R/V Marcus G. Langseth is towing a 12-kilometer-long hydrophone streamer that records sound reflected from deep below the seafloor, which is helping scientists image the structure of the Cascadia Subduction Zone and megathrust fault. The streamer records data as a function of the time it takes for sound to travel from the ship’s source down to “reflectors”

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