Nature
Mount Veniaminof is a high, active stratovolcano on Alaska’s peninsula, named for the Russian Orthodox missionary later known as Saint Innocent Veniaminov, whose work on Aleut language and ethnology remained influential. Its defining feature is a large caldera created by a colossal eruption around 1750 BCE. Since 1930, more than ten smaller eruptions have come from a cinder cone in the caldera’s center, where a glacier fills most of the basin. This unusual combination of ice, steep caldera walls, and active vents makes flooding from glacial runoff a major hazard. In 1967 it was designated a National Natural Landmark.
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Perryville, Alaska · United States
