2004 Indian Ocean earthquake and tsunami and a network of sensors is needed to detect it. Setting up the communications infrastructure to issue timely warnings is an even bigger problem, particularly in a relatively impoverished part of the world. Tsunamis are more frequent in the Pacific Ocean than in other oceans because of earthquakes in the "Ring of Fire". Although the extreme western edge of the Ring of Fire extends into the Indian Ocean (the point where the earthquake struck), no warning system exists in that ocean. Tsunamis there are relatively rare despite earthquakes being relatively frequent in Indonesia. The last major tsunami was caused by
Ring of Fire (song) is like a burning ring of fire," underlined in one of her uncle A. P. Carter's Elizabethan books of poetry. She worked with Kilgore on writing a song inspired by this phrase as she had seen her uncle do in the past. She had written: "There is no way to be in that kind of hell, no way to extinguish a flame that burns, burns, burns". Cash's first wife, Vivian Liberto, offered a different conception of "Ring of Fire" in her book "I Walked the Line". She contended that June Carter Cash was not a co-writer of the song: "To