Ring of Fire in 1929; a magnitude 8.1 in 1949 (Canada's largest recorded earthquake); and a magnitude 7.4 in 1970. The Ring of Fire is a direct result of plate tectonics: the movement and collisions of lithospheric plates. The eastern section of the ring is the result of the Nazca Plate and the Cocos Plate being subducted beneath the westward-moving South American Plate. The Cocos Plate is being subducted beneath the Caribbean Plate, in Central America. A portion of the Pacific Plate and the small Juan de Fuca Plate are being subducted beneath the North American Plate. Along the northern portion, the northwestward-moving
Ring of Fire (Northern Ontario) a former Ontario Geological Survey geologist, hopes the federal government will consider Tetra Tech's findings. Cliffs Natural Resources is seeking an easement through Ontario's Mining and Landings Commissioner on the KWG corridor to build their access road. There was controversy over whether the province of Ontario, could afford a CAD$2.25 billion road the Trans-Canada Highway near Kenora to the Ring of Fire. In 2017, the provincial government of Ontario pledged support for the construction of a road that would connect the Ring of Fire, and the Nibinamik and Webequie First Nations, to Ontario Highway 599 at Pickle Lake. In 2011,