How hot are so-called "black smoker" hydrothermal vents present on the mid-ocean ridge crests?

Name: How hot are so-called "black smoker" hydrothermal vents present on the mid-ocean ridge crests?
Brand: Quizplus
Rating: 4.8 (56 reviews)

Question

Quizplus · Accepted Answer

Black smoker hydrothermal vents can reach temperatures of up to 350°C. They are found on mid-ocean ridge crests where tectonic plates are diverging, allowing seawater to interact with magma and become superheated before being expelled back into the ocean.

How Hot Are So-Called "Black Smoker" Hydrothermal Vents Present on the Mid-Ocean