There are more than 5,000 active submarine volcanoes on Earth, all varying in size and eruption style. Studying the rocks formed at these underwater vents is necessary to understanding the explosiveness of future eruptions, some of which can even burst lava and ash out of the water’s surface.
As it turns out, the most explosive ones are spewing pink pumice, and exactly how pink they are is a crucial detail.
Source material:
Knafelc et al, Havre 2012 pink pumice is evidence of a short-lived, deep-sea, magnetite nanolite-driven explosive eruption, February 2022
https://www.nature.com/articles/s43247-022-00355-3
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