Global Volcanism Program | Image GVP-03924
Ash rises above a pyroclastic flow racing down the eastern flank of Fuego in October 1974 that fills the entire field of view. The direction of movement of the pyroclastic flow was from right to left. Pyroclastic flows of comparable magnitude also traveled down the W and SW flanks.
Photo by William Buell, 1974.
This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.