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Global Volcanism Program | Image GVP-08222

This drill rig on the floor of El Valle de Antón caldera is part of a major geothermal exploration program at El Valle volcano. In the background to the north is Cerro Gaital, the highest of three post-caldera lava domes along the northern caldera rim.  Photo by Paul Kimberly, 1998 (Smithsonian Institution).

This drill rig on the floor of El Valle de Antón caldera is part of a major geothermal exploration program at El Valle volcano. In the background to the north is Cerro Gaital, the highest of three post-caldera lava domes along the northern caldera rim.

Photo by Paul Kimberly, 1998 (Smithsonian Institution).

Keywords: geothermal | lava dome


El Valle