Geology of the Pacific Ocean Guinea, and New Zealand lie outside the andesite line. Outside of the andesite line, volcanism is explosive; the Pacific Ring of Fire is the world's foremost belt of explosive volcanism. The Ring of Fire is named after the several hundred active volcanoes that sit above the various subduction zones. In 2009, the deepest undersea eruption ever recorded occurred at the West Mata submarine volcano, a mile beneath the ocean, close to the Tonga-Kermadec Trench, within the Ring of Fire; it was filmed by the US Jason robotic submersible which descended over . The Pacific Ocean is the only ocean which
Americans in the Philippines The majority are to be found in Angeles City, which has the largest proportion of Amerasians in the Philippines. An academic research paper presented in the U.S. (in 2012) by an Angeles, Pampanga, Philippines Amerasian college research study unit suggests that the number of military origin, biracial Filipino Amerasians probably lie between 200,000 and 250,000, and possibly substantially more. The paper, (co-authored by Pete C. Kutschera, Ph.D., visiting professor and director of the Philippine Amerasian Research Center at Systems Plus College Foundation) maintained that the number of FilipinoAmerasians, the progeny of U.S. servicemen, private corporate contractor and government employees stationed