Ring of Fire volcanic eruptions of the last 11,700 years occurred at volcanoes in the Ring of Fire. The Ring of Fire is a direct result of plate tectonics: the movement and collisions of lithospheric plates, especially subduction in the northern portion. The southern portion is more complex, with a number of smaller tectonic plates in collision with the Pacific plate from the Mariana Islands, the Philippines, Bougainville, Tonga, and New Zealand. The presence of a belt of volcanic activity surrounding the Pacific Ocean was observed in the 19th century. "They [the Japanese Islands] are in the line of that immense circle of
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