Global Volcanism Program | Image GVP-05334
Mount Peulik was constructed immediately north of Ugashik caldera. It is seen here from NW near Ukinrek Maars. The hummocky terrain in the middle distance is a debris avalanche deposit produced by the collapse of ancestral Peulik.
Photo by Christina Neal, 1993 (Alaska Volcano Observatory, U.S. Geological Survey).