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
Coffee production in the Philippines Coffee production in the Philippines Coffee production in the Philippines began as early as 1740 when the Spanish introduced coffee in the islands. It was once a major industry in the Philippines, which 200 years ago was the fourth largest coffee producing nation. As of 2014, the Philippines produces 25,000 metric tons of coffee and is ranked 110th in terms of output. However local demand for coffee is high with 100,000 metric tons of coffee consumed in the country per year. The Philippines is one of the few countries that produce the four main viable coffee varieties; "Arabica", "Liberica" (Barako),