Broadband Seismometer Installed
A broadband seismometer is installed inside a buried cassion at Southern Hydrate Ridge by the ROV ROPOS. A follow-on dive will fill the caisson with silica beads, which dampens "noise". The broadband and low frequency hydrophone is installed here to detect both large and small earthquakes that may impact the release of methane gas into the hydrosphere. Photo credit: NSF-OOI/UW/CSSF; Dive R1779; V14.
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