Vigorous mud eruptions occur at Las Hornillos thermal area on the W flank of Costa Rica's Miravalles volcano. A geothermal project in the 15 x 20 km Guayabo caldera (containing Miravalles) provides a major component of the electrical power needs of Costa Rica.

Photo by William Melson, 1988 (Smithsonian Institution)

This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.

Galleries: Geothermal Features

Keywords: geothermal | mud pool

Miravalles