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Global Volcanism Program | Image GVP-00607

A scientist from the Volcanological Survey of Indonesia examines a debris avalanche deposit at Papandayan volcano that predates the historic 1772 debris avalanche. The deposit contains large angular clasts in a hydrothermally altered matrix and the large log to the left. Photo by Tom Casadevall, 1986 (U.S. Geological Survey).

A scientist from the Volcanological Survey of Indonesia examines a debris avalanche deposit at Papandayan volcano that predates the historic 1772 debris avalanche. The deposit contains large angular clasts in a hydrothermally altered matrix and the large log to the left.

Photo by Tom Casadevall, 1986 (U.S. Geological Survey).

Keywords: debris avalanche deposit | ourctop | exposure | geology | hydrothermal alteration


Papandayan