Indonesia has 147 volcanoes, 76 of which are still active making it the world's most active volcano country. The country consists of a chain of more than 13,000 islands that are spread out over an area similar in size to the continental United States.
Most of the active volcanoes in Indonesia belong to the 3,000-kilometer stretch of the Sunda Volcanic Arc. With 76, the country has the largest number of historically active volcanoes. A total of 1,171 known eruptions have taken place, only second to Japan's 1,274. Indonesia also holds the record for the highest number of volcanic eruptions producing fatalities, land damages and tsunamis.