Once called Volcano O, this large crater in the NE Lau Basin is now named Niua Tahi, which in Tongan means “sea”, with the small cone within it being named Motu Tahi, meaning “island in the sea”.

Once called Volcano O, this large crater in the NE Lau Basin is now named Niua Tahi, which in Tongan means “sea”, with the small cone within it being named Motu Tahi, meaning “island in the sea”. Image courtesy Susan Merle, Oregon State University/NOAA PMEL Vents Program.

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Related Links

Submarine Ring of Fire 2012: September 24 Log

Submarine Ring of Fire 2012: NE Lau Basin

NOAA Ocean Explorer Gallery