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Leveling a Seismometer

Part of the work required to properly install a seismometer on the seafloor is to ensure that the instrument is level. The yellow disk, shown here, is placed on the seismometer by ROPOS. The legs of the seismometer platform are then adjusted until a level reading is achieved. Credit: UW/NSF-OOI/CSSF; ROPOS, Dive 1617, V14.

Credit: NSF-OOI/UW/CSSF

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