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Liquid Lava on Mount Etna
Photograph by Carsten Peter
A few hundred degrees separates this pool of fiery orange magma in Italy’s Mount Etna from its hardened, gray crust. At nearly 11,000 feet (3,353 meters), Mount Etna is Europe’s highest active volcano.
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Karymsky Volcano, Kamchatka Peninsula
Photograph by Klaus Nigge
Ash and steam billow from Karymsky Volcano in Russia’s dramatic Kamchatka Peninsula. The 750-mile-long (1,200-kilometer-long) peninsula in eastern Siberia is home to 127 volcanoes, 22 of which are still active.
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Mount St. Helens After Eruption
Photograph by Steven L. Raymer
A wisp of smoke escapes from Mt. St. Helens’ dramatic eggshell-shaped crater after an eruption. Washington State’s volcano is most famous for its catastrophic 1980 eruption that killed 57 people, destroyed homes, bridges, and highways, and triggered an enormous debris avalanche that carved a mile-wide (1.5-kilometer-wide) crater on the mountain.
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Cleveland Volcano, Alaska
Photograph courtesy NASA Earth Observatory
Cleveland Volcano releases a plume of ash that rises almost 20,000 feet (6,000 meters) above the North Pacific Ocean in this aerial photograph. Cleveland Volcano, located in the Aleutian Islands southwest of Alaska, failed to produce an eruption and the plume of ash detached from the volcano two hours after it had formed.
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