Global Volcanism Program | Image GVP-03876
This closeup view of an ash-rich eruption column rising from Santiaguito lava dome was taken on November 13, 1967. Explosions such as these are common at the growing lava dome, sometimes occurring within minutes of each other. The crater wall is visible at the lower left.
Photo by Charles Pineo, 1967 (Dartmouth College, courtesy of Dick Stoiber).