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Global Volcanism Program | Image GVP-08632

Moderate eruptions with strong vapor and ash emission took place from the main crater of Poás during March to May 1981.  This March 19 time exposure from the northern crater rim shows the incandescent wall of a lava dome in the crater.  Fumarolic activity continued until 1986. Photo by Eduardo Malavassi, 1981 (OVSICORA-UNA)

Moderate eruptions with strong vapor and ash emission took place from the main crater of Poás during March to May 1981. This March 19 time exposure from the northern crater rim shows the incandescent wall of a lava dome in the crater. Fumarolic activity continued until 1986.

Photo by Eduardo Malavassi, 1981 (OVSICORA-UNA)


Poás