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) show from the Pensacola studio, while Kennedy operates out of the Pace University School of Law in White Plains, New York. Seder's studio is near the New York Times building in New York City. "Ring of Fire"s executive producer is Scott Millican, with producer Farron Cousins. The program's theme song is "Ring of Fire," originally by Johnny Cash, performed by Social Distortion. The facility space was allocated in December 2003. "Ring of Fire" aired its first broadcast on May 1, 2004 on the newly founded Air America radio network, and remained there until the network closed almost six years later.