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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 ROPOS that will install this sensor in the International District 2 Site. Pea gravel bags in the background will be piled over the broadband to dampen any noise by local currents. Credit: Mitch Elend, University of Washington, V14.

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July 25, 2014

Low Frequency Hydrophone

During the VISIONS'13 expedition, low frequency hydrophones, coupled with broadband seismometers, will be deployed at the base of the Cascadia Margin (Slope Base), and at the base of and summit of Axial Volcano.

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June 7, 2013