Marum crater

Marum crater

Ambrym is a volcanic island in Malampa Province in the archipelago of Vanuatu. It is actually a large basaltic volcano which has a massive, 1900-year-old, 12 kilometers (7.5 mi) × 8 kilometers (5.0 mi) caldera. The caldera is the site of two active volcanic cones, Benbow and Marum.

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