Global Volcanism Program | Image GVP-02326
Lava from a 13-30 January 1991 eruption fills the summit crater of Avachinsky in this spring 1991 aerial photo from the south. Prior to the eruption the 400-500 m wide crater was about 250 m deep.
Photo by V.N. Nechaev, 1991 (courtesy of Oleg Volynets, Institute of Volcanology, Petropavlovsk).