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View submission: Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science
What are the effects of a supernatural boiling sea on Earth?
I am working on a story where due to a disaster in the planet's recent history (ten years before the present) a tectonic plate under the sea started to diverge, releasing magma from the mantle. Because of supernatural crystals that exist within the mantle, the magma released is far hotter than what can naturally occur and is constant, thus also heating up the surrounding water.
Since the planet is Earth-like, I will use Earth as an analogue for its possible effects. If a boiling sea the size of the Great Lakes as described appeared in Point Nemo, what would be its effects of the weather, ocean currents and global climate?
Additional: What would happen if the boiling sea appeared in the Atlantic Ocean, smack-dab in the equator between South America and Africa?
If islands formed in the sea from the eventual cooling of lava, how would the boiling sea around the islands affect their structure?
There's nothing here!