There's a seam of volcanic mountains that runs down the center of the Atlantic, but nothing that resembles a supervolcano. The supervolcano complex under the Pacific is one of the largest known in the solar system, however.
> There's a seam of volcanic mountains that runs down the center of the Atlantic
Yeah, that's the pacific rim, which in some sense is the opposite of a volcano.
> There's a seam of volcanic mountains that runs down the center of the Atlantic
Yeah, that's the pacific rim, which in some sense is the opposite of a volcano.