Ring of Fire volcanic eruptions of the last 11,700 years occurred at volcanoes in the Ring of Fire. The Ring of Fire is a direct result of plate tectonics: the movement and collisions of lithospheric plates, especially subduction in the northern portion. The southern portion is more complex, with a number of smaller tectonic plates in collision with the Pacific plate from the Mariana Islands, the Philippines, Bougainville, Tonga, and New Zealand. The presence of a belt of volcanic activity surrounding the Pacific Ocean was observed in the 19th century. "They [the Japanese Islands] are in the line of that immense circle of
Ring of Fire (radio program) lack of effectiveness of many of the products the industry is marketing." Ring of Fire (radio program) Ring of Fire is a left-wing syndicated American talk radio program hosted by Robert F. Kennedy, Jr., Mike Papantonio, Sam Seder, and Farron Cousins. The four hosts focus on "exposing Wall Street thugs, environmental criminality, corporate media failure, and political back stories that you will rarely find from any other source". The show has been on the air since 2004 and is currently carried on 43 radio stations across the United States. Kennedy is an attorney who specializes in environmental law; Papantonio is