Credit: Center for Environmental Visualization, University of Washington. Click image to enlarge.

Existing geophysical instruments on the Oregon coast branch of the OOI RCA listed by site.

PN1A (Slope Base)

Broadband Seismometer - Guralp/CMG-1T 360s-50Hz with CMT-5T Strong Motion and DM24/7-EAM Digitizer

Current Meter - Nobska MAVS-4 VEL3D

Low Frequency Hydrophone - HTI-90-U

Pressure Gauge - Sea-bird/SBE 54

Southern Hydrate Ridge

Broadband Seismometer - Guralp/CMG-1T 360s-50Hz with CMT-5T Strong Motion and DM24/7-EAM Digitizer

Current Meter - Nobska MAVS-4 VEL3D

Low Frequency Hydrophone - HTI-90-U

Pressure Gauge - Sea-bird/SBE 54

Three Short Period Seismometers - Guralp/CMG-1 sec

PN1C (Offshore)

Current Meter - Nobska MAVS-4 VEL3D (on the Benthic Experiment Platform)

Oregon Shelf

Current Meter  - Nortek Vector VEL3D (on the Benthic Experiment Platform)

Credit: Center for Environmental Visualization, University of Washington. Click image to enlarge.