Global Volcanism Program | Image GVP-04064
Usulután (right) is at the SE end of a cluster of volcanoes west of San Miguel volcano. La Manita (left) a small cone to the NE of Usulután on the flank of El Tigre has also been mapped as Holocene in age, along with Cerro Nanzal, a cone on the SE flank of Usulután.
Photo by Kristal Dorion, 1994 (U.S. Geological Survey).
This image is made available as a Public Domain Work, but proper attribution is appreciated.