List of islands of Indonesia
The islands of Indonesia, also known as the Indonesian archipelago and formerly known as the Indian archipelago, may refer either to the islands comprising the nation-state of Indonesia or to the geographical groups which include its islands. According to the Indonesian Coordinating Ministry for Maritime Affairs, of 17,508 officially listed islands within the territory of the Republic of Indonesia, 16,056 island names have been verified by the United Nations Group of Experts on Geographical Names (UNGEGN) as of July 2017.
Volcanology of Indonesia
Indonesia is a volcanically active country, containing numerous major volcanoes. It has the most volcanoes of any country in the world, with 76 volcanoes that have erupted at least 1,171 total within historical times. The Smithsonian Institution has 141 Indonesian entries in its volcano database. Indonesia has around 130 active volcanoes that are part of the Pacific Ring of Fire, and it has suffered the highest numbers of eruptions resulting in fatalities, damage to arable land, debris flows, tsunamis, lava domes, and pyroclastic flows. Indonesia's most active volcanoes are Kelut and Mount Merapi on the island of Java. The majority of Indonesia's volcano are located on a 3,000 km long chain called the Sunda Arc. Here, the subduction of the Indian Ocean crust underneath the Asian Plate produced most of these volcanoes.