description Mount Redoubt fumaroles Overview
Mount Redoubt fumaroles are steam and volcanic-gas vents associated with the summit crater of Redoubt Volcano in southern Alaska. Redoubt is an ice-covered stratovolcano in the Cook Inlet region, and its summit crater is about 1.8 kilometers wide and breached by the Drift Glacier. Fumarolic activity is part of the volcano's hydrothermal system, while eruptions in 1989 to 1990 and 2009 demonstrated why steam, gas, ash, and lahars at Redoubt are monitored.
help Mount Redoubt fumaroles FAQ
What are the fumaroles at Mount Redoubt?
They are steam and volcanic-gas vents associated with the summit crater of Redoubt Volcano in southern Alaska. Fumaroles form where heat from the volcano drives hot fluids and gases toward the surface.
Where is Mount Redoubt located?
Redoubt Volcano is in the Cook Inlet region of southern Alaska. Its ice-covered summit contains a crater associated with the fumarole fields.
How large is Redoubt's summit crater?
The summit crater is about 1.8 kilometres wide. It is breached by the Drift Glacier, which is part of the volcano's heavily ice-covered summit environment.
Are Mount Redoubt fumaroles signs of volcanic activity?
Yes, steam and volcanic gases escaping from fumaroles show that heat remains present beneath the volcano. They are surface features of Redoubt's active volcanic system, not ordinary hot springs.
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