Moderate eruptions with strong gas and ash emission took place from the Poás main crater during March to May 1981. This 19 March time-exposure photograph from the northern crater rim shows an incandescent lava dome.

Photo by Eduardo Malavassi, 1981 (OVSICORA-UNA)

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

Keywords: lava dome | eruption | gas | emissions | crater | crater lake | eruption | effusive | lava

Poás