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) Ring of Fire (Northern Ontario) The Ring of Fire is the name given to a massive planned chromite mining and smelting development project in the mineral-rich James Bay Lowlands of Northern Ontario. The Ring of Fire development would impact nine First Nations, and potential developers are required to negotiate an Impact Benefit Agreement with these communities prior to development. The region is centred on McFaulds Lake, near the Attawapiskat River in Kenora District, approximately northeast of Thunder Bay, about east of Webequie, and due north of Marten Falls and Ogoki Post, which is near/on the (Albany River) west of James