Global Volcanism Program | Image GVP-08264
These small forested islands are hummocks of a large debris avalanche from Mombacho volcano that swept into Lake Nicaragua. The horizon is formed by Isla Zapatera volcano, SE of Mombacho.
Photo by Lee Siebert, 1998 (Smithsonian Institution).
This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.