Active volcanoes are primarily found in several key global regions, often associated with tectonic plate boundaries and hotspots:
- Pacific Ring of Fire : This is the most prominent area with many active volcanoes encircling the Pacific Ocean. Countries with numerous active volcanoes here include the United States (especially Hawaii and Alaska), Japan, Russia, Indonesia, Chile, Papua New Guinea, Ecuador, and Mexico
- Indonesia : With over 13,000 islands, Indonesia has the largest number of active volcanoes in the world, many of which have frequent eruptions and have caused significant fatalities
- Hawaiian Islands : These volcanoes, such as Kīlauea and Mauna Loa, are formed by a hotspot in the middle of the Pacific Plate rather than at plate boundaries
- Mediterranean region : Includes volcanoes like Mount Etna and Stromboli in Italy, which are among the most active in Europe
- East Africa : Volcanoes such as Erta Ale and Nyiragongo are notable for their persistent lava lakes and activity
- Other notable locations : Volcanoes in the Caribbean (including underwater volcanoes near Grenada), the Canary Islands (Spain), Reunion Island (France), and various volcanic fields in the western United States also host active volcanoes
In summary, active volcanoes are concentrated along tectonic plate boundaries, especially the Pacific Ring of Fire, and in volcanic hotspots such as Hawaii and East Africa