Bathymetric comparison of data collected at Daikoku summit on this 2014 expedition (top) and in 2003 (bottom).  A large crater formed at the summit, and it was confirmed to be hydrothermally (and possibly volcanically) active by the CTD tow and midwater data collected on this expedition.

Bathymetric comparison of data collected at Daikoku summit on this 2014 expedition (top) and in 2003 (bottom). A large crater formed at the summit, and it was confirmed to be hydrothermally (and possibly volcanically) active by the CTD tow and midwater data collected on this expedition. Image courtesy of Submarine Ring of Fire 2014 - Ironman, NSF/NOAA.

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Related Links

December 14 Log: Daikoku Seamount Erupting!

Submarine Ring of Fire 2014 - Ironman: Mission Logs

Submarine Ring of Fire 2014 - Ironman