Photos. Merapi presents an activity of quasi continuous extrusion of lava which forms a dome in a horse-shoe shaped crater. The dome is continuously and partially destroyed by avalanches and pyroclastic flows.
1. View of Merapi from the North that reveals the strong asymetry of the edifice, and the high slopes of the volcano, reaching 57° near the summit.
2. The January 30 1992 lava dome (Cliché J. Tondeur).
3. November 22, 1994 pyroclastic flow that killed 69 people (Cliché M. Mongin).

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