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) May 2011, Matawa Chiefs and their communities called for a Joint Environmental Assessment (EA) Review Panel. On October 13, 2011, the Canadian Environmental Assessment Agency (CEAA) proceeded with a Comprehensive Study Environmental Assessment that favours the mining industry without First Nations participation. On October 20, 2011, Matawa First Nations removed its support for the Ring of Fire development unless the federal government agreed to a joint review panel Environmental Assessment process that would allow First Nations communities in the area to have a voice in the assessment. On June 12, 2012, Webequie First Nation Chief Cornelius Wabasse and Minister of