Ring of Fire world's 25 largest volcanic eruptions of the last 11,700 years occurred at volcanoes in the Ring of Fire. The famous and very active San Andreas Fault zone of California is a transform fault which offsets a portion of the East Pacific Rise under the southwestern United States and Mexico; the motion of the fault generates numerous small earthquakes, at multiple times a day, most of which are too small to be felt. The active Queen Charlotte Fault on the west coast of the Haida Gwaii, British Columbia, has generated three large earthquakes during the 20th century: a magnitude 7 event
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