1
Indonesia : known as the "Ring of Fire," features over 130 active volcanoes, including Mount Merapi and Mount Krakatoa.
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Japan: Japan is another country located in the Pacific Ring of Fire, with around 110 active volcanoes. Mount Fuji is Japan's most famous volcano.
3
Philippines: The 1991 eruption of Mount Pinatubo was one of the most violent volcanic events in modern history.
4
United States (Alaska): Alaska has over 50 active volcanoes, making it the nation with the most. Active volcanoes include Washington's Mount St. Helens.
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Chile: Chile has 45 active volcanoes along the Pacific Ring of Fire. Villarrica, Osorno, and Llaima are famous Chilean active volcanoes.