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) Action Plan noted that First Nations were interested in potential legacy impacts of Ring of Fire infrastructure, such as all-weather roads, links to the power grid and high-speed broadband Internet. Industry Canada's Broadband Canada was already laying 2,300 kilometers of fibre optic cable to 26 First Nations across the Far North, including the Ring of Fire. In April 2010 the government of Ontario announced that it would open a large chromite deposit in the area to development. In 2011, Ontario's Ministry of Northern Development and Mines created the Ring of Fire Secretariat, with Christine Kaszyckias as its coordinator, to develop