According to the U.S. Geological Survey, there are nearly 1500 volcanoes around the world believed to be active, of which more than half are located in the six countries shown in red on this map. The U.S. has 169 "potentially active" volcanoes, the majority of which are in Alaska. Hawaii has five volcanoes that have erupted in the last 250 years: Kilauea (erupted nearly continuously from 1983 to 2018), Mauna Loa (last erupted in 1984 but believed to be poised to erupt again soon), Loihi (last erupted 1996), Hualalai (last erupted 1801), and Haleakala (last erupted about 1790). Haleakala is on Maui; all of the rest are on the island of Hawaii.
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