Global Volcanism Program | Image GVP-08267
This hummock is part of a massive debris avalanche deposit that formed by collapse of Volcán Cacao. The avalanche traveled across the flat-lying Pacific coastal plain as far as the Central American highway, near where this photo was taken.
Photo by Lee Siebert, 1998 (Smithsonian Institution).
This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.