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Global Volcanism Program | Image GVP-05241

Hot debris avalanching down the steep north flank of Redoubt Volcano during the 1989-90 eruptions mixed with water derived from melted snow and ice to form lahars. These sediment-rich floods carried steaming debris many kilometers down the Drift River Valley. The top of the gray area marks the high-water line of the lahar that contrasts with the snow-covered slopes above it. Note the helicopter for scale. Photo by Tom Miller, 1990 (Alaska Volcano Observatory, U.S. Geological Survey).

Hot debris avalanching down the steep north flank of Redoubt Volcano during the 1989-90 eruptions mixed with water derived from melted snow and ice to form lahars. These sediment-rich floods carried steaming debris many kilometers down the Drift River Valley. The top of the gray area marks the high-water line of the lahar that contrasts with the snow-covered slopes above it. Note the helicopter for scale.

Photo by Tom Miller, 1990 (Alaska Volcano Observatory, U.S. Geological Survey).

Creative Commons Icon This image is made available as a Public Domain Work, but proper attribution is appreciated.

Keywords: lahar | deposit


Redoubt