Collapse of the NE flank of the Almolonga Cerro Quemado lava dome about 1,150 years ago produced a debris avalanche deposit with the hummocky terrain in the foreground. An associated lateral blast also swept across the Llano del Pinal, the plain in the foreground. The eruption concluded with the emplacement of a small lava dome inside the avalanche scarp.

Photo by Bill Rose, 1989 (Michigan Technological University).

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

Keywords: debris avalanche deposit | hummock | deposit

Almolonga