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 (anthology) were written contemporaneously so that story threads started in one novel could intermingle and generate matching action or background in the other, and vice versa. Flint is on record saying that large portions of "1633" were adjusted drastically, even thrown out and rewritten as later submissions to the 1632 series impacted the various and diverse story threads. For a fuller look on this literary development see Assiti Shards series. For the fullest enjoyment of all three books, it is best to read them in the order "1632", "Ring of Fire", and then "1633". Interchanging the last two has a relatively