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Global Volcanism Program | Image GVP-01149

This hilly terrain is part of a massive debris-avalanche deposit that formed as a result of collapse of Gunung Gadung on the west side of Raung volcano. The debris-avalanche deposit has an estimated volume of about 25 km3. The avalanche banked against the slopes of Iyang-Argapura volcano and was deflected to the SW, traveling nearly to the Indian Ocean. Photo by Lee Siebert, 1995 (Smithsonian Institution).

This hilly terrain is part of a massive debris-avalanche deposit that formed as a result of collapse of Gunung Gadung on the west side of Raung volcano. The debris-avalanche deposit has an estimated volume of about 25 km3. The avalanche banked against the slopes of Iyang-Argapura volcano and was deflected to the SW, traveling nearly to the Indian Ocean.

Photo by Lee Siebert, 1995 (Smithsonian Institution).

Keywords: debris avalanche deposit | hummocky


Raung