The shallow depth to the top of Giggenbach volcano (~100 m) meant that sunlight penetrated the ocean, enabling Pisces V to navigate.

The shallow depth to the top of Giggenbach volcano (~100 m) meant that sunlight penetrated the ocean, enabling Pisces V to navigate without its lights at times. Image courtesy of New Zealand-American Submarine Ring of Fire 2005 Exploration, NOAA Vents Program.

Related Links

New Zealand American Submarine Ring of Fire 2005

New Zealand American Submarine Ring of Fire 2005: April 18 Log

NOAA Ocean Explorer Gallery

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