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 (radio program) as The Ring of Fire Network, and began focusing heavily on Progressive political content. Numerous hosts now appear on the show, including Papantonio, Kennedy, Thom Hartmann, Ed Schultz, Abby Martin, Laura Flanders, Seder, David Pakman, Lee Camp, Mike Malloy, Benjamin Dixon & Cousins. Many of the members of this network are also veteran personalities for other networks, including Free Speech TV, RT and TeleSUR. Also in 2015, the show began a separate site called Drug Safety News for the "specific purpose of highlighting political maneuvers the pharmaceutical industry is taking to influence government decisions, and to expose the dangers and