Global Volcanism Program | Image GVP-01849
Mount Iriga has a horseshoe-shaped crater opening to the SE that resulted from a large flank collapse during a Holocene eruption. The hummocky terrain in the foreground encloses small ponds on the surface of the debris avalanche deposit.
Photo by Chris Newhall (U.S. Geological Survey).
This image is made available as a Public Domain Work, but proper attribution is appreciated.