A “bush” of barnacles and other vent animals were one of the first indicators that the ROV was getting close to the high-temperature vents.

A “bush” of barnacles and other vent animals were one of the first indicators that the ROV was getting close to the high-temperature vents. Image courtesy of MARUM, University of Bremen and NOAA-Pacific Marine Environmental Laboratory.

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Submarine Ring of Fire 2012: September 20 Log

Submarine Ring of Fire 2012: NE Lau Basin

NOAA Ocean Explorer Gallery