Redoubt Volcano

Cook Inlet, Alaska

General Information

The Redoubt volcano is located in Cook Inlet, Alaska. Located on the western coast of the United States, Redoubt is an active volcano. This volcano is surround by plate boundaries, which also causes many earthquakes. Redoubt can react to the earthquakes and create an eruption.
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Plate Tectonics

Plate tectonics is the theory that the Earth’s outer shell is divided into several plates. These plates glide over the mantle. Near Redoubt, the Pacific plate dives beneath the North American causing a subduction zone. This subduction zone has created the Aleutian Trench and the Aleutian volcanic arc. Redoubt is a stratovolcano which creates tephra. This active volcano has





Effects of the Volcano

Redoubt is an active volcano. Surrounded by 40,000 citizens (⅔ of Alaska's

population), this stratovolcano can become a huge problem


a lot of people. There is lots of wildlife near the volcano, that depend on the watershed, clean water.If it erupts it can destroy that clean water. But, it has been 7 years since the last eruption (2009). In 1902, explosions were heard hundreds of kilometers away and ashfall blanketed the Cook Inlet area. In 1960, explosive eruptions caused flooding and lahars from melting glaciers. In 2009, ash clouds

reached 65,000 feet in the air, while the land was covered with tephra.