Pacific Ocean closed loop of the andesite line are most of the deep troughs, submerged volcanic mountains, and oceanic volcanic islands that characterize the Pacific basin. Here basaltic lavas gently flow out of rifts to build huge dome-shaped volcanic mountains whose eroded summits form island arcs, chains, and clusters. Outside the andesite line, volcanism is of the explosive type, and the Pacific Ring of Fire is the world's foremost belt of explosive volcanism. The Ring of Fire is named after the several hundred active volcanoes that sit above the various subduction zones. The Pacific Ocean is the only ocean which is almost
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