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Global Volcanism Program | Image GVP-05595

This February 1982 photo of the active crater of Poás volcano shows a vigorous steam plume pouring from fumarolic vents on the southern crater rim.  The northern crater wall in the background exposes pyroclastic deposits from phreatomagmatic eruptions that originated from the crater lake.    Photo by National Aeronautical and Space Administration (NASA), 1982.

This February 1982 photo of the active crater of Poás volcano shows a vigorous steam plume pouring from fumarolic vents on the southern crater rim. The northern crater wall in the background exposes pyroclastic deposits from phreatomagmatic eruptions that originated from the crater lake.

Photo by National Aeronautical and Space Administration (NASA), 1982.


Poás