These headlands along the Pacific coast south of El Valle volcano consist of ignimbrite deposits from late Pleistocene eruptions. The latest Plinian eruption, about 34,000 years ago, produced pyroclastic flows that reached as far as 25 km from the volcano and emplaced deposits along its southern and eastern flanks.

Photo by Lee Siebert, 1998 (Smithsonian Institution).

This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.

Keywords: deposit | ignimbrite

El Valle