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
Tourism in the Philippines and eight ASEAN Heritage Parks (Mount Apo, Mounts Iglit-Baco, Mount kitanglad, Mount Makiling, Tubbataha Reefs, Mount Hamiguitan, and Timpoong-Hibok-Hibok) in the Philippines. The last three lists reinforces the title of the Philippines as one of the biodiversity hotspots declared by Conservation International. The following are the most significant natural and cultural heritage sites of the Philippines: The Philippines possesses numerous significant movable tangible heritage, both in cultural and natural terms. Many of which have been declared as national treasures and are highly protected by the law. The country has four documentary heritage inscribed in the UNESCO Memory of the World