When lava from Hawai‘i’s Kīlauea volcano hit the ocean in 2018, what unexpected result was visible from space?

When lava from Hawai‘i’s Kīlauea volcano hit the ocean in 2018, what unexpected result was visible from space? A new island shaped like a turtle A giant bloom of phytoplankton A massive pod of dolphins chasing fish A glowing purple whirlpool