Geology of the Pacific Ocean Guinea, and New Zealand lie outside the andesite line. Outside of the andesite line, volcanism is explosive; the Pacific Ring of Fire is the world's foremost belt of explosive volcanism. The Ring of Fire is named after the several hundred active volcanoes that sit above the various subduction zones. In 2009, the deepest undersea eruption ever recorded occurred at the West Mata submarine volcano, a mile beneath the ocean, close to the Tonga-Kermadec Trench, within the Ring of Fire; it was filmed by the US Jason robotic submersible which descended over . The Pacific Ocean is the only ocean which
Energy in the Philippines 13 natural gas generation facilities connected to the energy grid, 12 of which are in Luzon and one of which is in Cebu on Visayas. The Philippines also generates a significant amount of electrical energy from oil, albeit to a lesser degree than compared to coal and natural gas. In 2013, the Philippines sourced 5.97% of its energy from oil-based sources. As of March 2016, there were a total of 212 gas and diesel-powered facilities in the Philippines. The large number of oil-powered power plants is a result of a lower per plant output compared to coal and natural gas.