Gas emissions rise from the active Arenal summit crater (Crater C, upper right) in 2003, and a lava flow descends the NE flank to the bottom of the image. Some fumarolic activity is occurring from the pre-1968 crater (Crater D, left). The building at the top left is the Arenal Volcano Observatory.

Photo by Eliecer Duarte, 2003 (OVSICORI-UNA).

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

Keywords: crater | lava flow | gas | gas plume

Arenal