Low Frequency Hydrophone Goes to the Seafloor

Low Frequency Hydrophone Goes to the Seafloor

A low-frequency hydrophone (black tubular-shaped instrument in tripod with red legs), connected to a broadband seismometer, awaits installation by the Remotely Operated Vehicle ROPOS that will install this sensor in the International District 2 Site. Sand/gravel bags in the background will be piled over the broadband to dampen any noise by local currents. Photo credit: Mitch Elend, University of Washington, V14.

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