[SunTzuWu]

These geo-thermal currents are found on undersea, geologically active "mountain ranges" -- formed from mighty tectonic plates that push into each other and create spines along the ocean floor.

Nobody bothers to fact check any more. The mid ocean ridges are spreading zones not subduction zones. /idiots.

[Smokin' Joe]

The mid ocean ridges are spreading zones not subduction zones.

Good catch. Pity they slept through Geology 101.