Image
A large submarine volcano on the Kermadec ridge, north of New Zealand, was discovered by undersea surveys, and has been named Healy volcano. It includes a large caldera, and the black cross-hatched area in the image is a reconstruction of what the volcano may have looked like before it erupted and collapsed.
Te whakamahi i tēnei tūemi
NIWA – National Institute of Water and Atmospheric Research
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