Wikimedi'Òc

Novarupta lava dome viewed from Mount Katmai.jpg - Aconcagua

Dacite and andesite banded pumice, I think (13542840623).jpg - Holly Cheng

Ash covering the town of Kodiak from the eruption of Katmai Volcano, 1912 (THWAITES 175).jpeg - BMacZeroBot

Ash covering buildings at Kodiak from the eruption of Katmai Volcano, 1912 (THWAITES 176).jpeg - BMacZeroBot

Mail steamer DORA after having passed through eruption of Katmai Volcano near Kodiak Island, 1912 (THWAITES 178).jpeg - BMacZeroBot