tl;dr -- likely yes, by building geothermal power plants. This would cost billions (not trillions) of dollars. It would generate a fair bit of power, but not an

tl;dr -- likely yes, by building geothermal power plants. This would cost billions (not trillions) of dollars. It would generate a fair bit of power, but not an extraordinary amount. They would run for (depending on how many we build) anywhere from a thousand to a hundred thousand years. And if we're not careful there's a slight chance we could trigger an eruption instead of preventing one.