A perspective view of the several eruption cones inside the East Diamante caldera. Our CTD tow (black sawtooth line) mapped out a plume of particles carried southeast from the Black Forest vent field by the local currents (yellow arrow). The scale bar on the bottom left corner of the image indicates the nephelometric turbidity units, an optical measurement of the particles in the water, which indicates the location and intensity of the hydrothermal plume. The scale bar at the bottom right shows the bathymetry depths at the top of the volcano. Image courtesy of Submarine Ring of Fire 2004 Exploration, NOAA Vents Program.
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Submarine Ring of Fire 2004: April 13 Log
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