Small chimneys on the seafloor of Nikko caldera venting smoke that often impedes visibility.

Small chimneys on the floor of Nikko caldera. The venting is so prolific that the smoke often impedes visibility on the sea floor. Image courtesy of Submarine Ring of Fire 2006 Exploration, NOAA Vents Program

Related Links

Submarine Ring of Fire 2006

Submarine Ring of Fire 2006: May 12 Log

NOAA Ocean Explorer Gallery

Download high-resolution image (jpg, 2.5 Mb)