The summit cone and lava dome complex of Cerro Evermann is viewed here from the SE flank. Obsidian lava domes and flows of rhyolite and trachyte composition have filled most of the summit craters. Cerro Evermann formed within the 4.5 x 3.8-km-wide, 370,000 year old Pleistocene caldera. The caldera rim is exposed at about 600 m elevation on the south and east sides of Cerro Evermann, where it forms a 20-50 m high scarp.

Photo by Martha Marin, 1998 (Mexican Navy).

This image is made available under the Creative Commons BY-NC-ND 4.0 license terms.

Socorro