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Deploying ocean-bottom seismometer

By Pacific Coastal and Marine Science Center
Two people on a ship guide an object, bolted to a metal platform with a plastic housing, over the side of the ship.
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Detailed Description

Scientists aboard Canadian Coast Guard Ship John P. Tully lower instruments to the seafloor off the coast of British Columbia, to study submarine faults using sonar and seismic energy.

Sources/Usage

Public Domain.