Global Volcanism Program | Image GVP-05708
Ostry Tolbachik forms the western end of the Tolbachik complex. The summit and flank of Ostry Tolbachik collapsed about 7,000 years ago. The trees in the foreground were damaged during a 1975-76 eruption from the rift zone southern Tolbachik rift zone.
Photo by Vera Ponomareva, 1976 (Institute of Volcanic Geology and Geochemistry, Petropavlovsk).