Nature
Mount Redoubt is an active stratovolcano in Alaska’s Aleutian Range and the highest summit in the range, rising prominently above Cook Inlet near Anchorage. Formed over hundreds of thousands of years, it is built of lava flows and pyroclastic deposits and is heavily mantled with glaciers, which make its eruptions especially hazardous by generating destructive lahars that can reach Cook Inlet. Known for centuries under Russian and Indigenous names, it has been directly observed erupting in 1902, 1966, 1989–1990, and 2009. Its recent eruptions disrupted aviation, threatened oil facilities, advanced eruption forecasting, and underscored its status as a very high-threat volcano.
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Salamatof, Alaska · United States
