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
Ring of Fire (Northern Ontario) benefit from proposed mining projects". The Federal Action Plan's whole-of-government approach includes the creation of a one-stop shop, where working group leads, from existing federal working groups in the labour market, infrastructure, community health and well-being, business development and environment form the single point of contact with local First Nations, industry and the province of Ontario. A multi-ministry meeting of federal senior officials had already been organized in April 2012. Until 2015, Greg Rickford was the Member of Parliament for the riding of Kenora, where the Ring of Fire is located, and the Minister of State for FedNor. February 2013