. . "Volcanism." . . "Pacific Area." . . "Volcanism Pacific Area." . . . "Explores the Ring of Fire, the ring of volcanoes and geological phenomenon, encircling almost the entire Pacific Basin. Investigates how slow but immensely powerful forces of geology in that region shaped, and continue to shape, Planet Earth."@en . . "Ring of fire"@en . . . . . "Documentary television programs"@en . . . . . . . .