Global Volcanism Program | Image GVP-03870
El Brujo vent at the western end of the Santiaguito lava dome is the youngest vent of the complex. The dome was not present on February 1954 aerial photographs, and may have begun growing following a strong explosive eruption on April 14, 1956. A large lava flow was extruded from El Brujo during 1959-63. This August 10, 1967 photo from La Isla (north of the dome) shows lava spines at the top of the growing dome.
Copyrighted photo by Dick Stoiber, 1967 (Dartmouth College).