There is (or was) around a million submarine volcanoes in the ocean according the wikipedia. There are also hydrothermal vents across all of the oceans. The amo

There is (or was) around a million submarine volcanoes in the ocean according the wikipedia. There are also hydrothermal vents across all of the oceans. The amount of energy to affect the ocean should be colossal (though I didn't do the math). To put it into perspective, we have been pumping crude oil and greenhouse emissions for over a 100 years by billions of people to raise temperatures by a degree or so.