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 II re-reading the other novels and anthologies of the series to "really appreciate all the interconnections between the various storylines". Ring of Fire II was listed on the Locus (magazine) Hardcovers Bestsellers List for single month during 2008 at number 6. Ring of Fire II Ring of Fire II is a 2008 anthology created by editor-author-historian Eric Flint. It is the second anthology in the 1632 series following after "Ring of Fire" (2004). The initial Ring of Fire book was a notable departure in that it heralded a new era in writing series fiction by being set in an authors' milieu