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Global Volcanism Program | Image GVP-08624

Minor phreatic eruptions producing geysering to heights of several meters were first reported in March 1994.  Two phreatic eruptions were reported at the end of April, by which time the crater lake had nearly dried up.  Intense gas emission in the ensuing months caused health problems and severe economic losses in agricultural areas.  Ash eruptions that took place on June 3 and July 9 to August 5 formed a small new crater.  The crater lake (seen here September 2, 1994) returned, and minor phreatic eruptions took place in October. Photo by José Enrique Valverde Sanabria, 1994 (courtesy of Eduardo Malavassi, OVSICORA-UNA).

Minor phreatic eruptions producing geysering to heights of several meters were first reported in March 1994. Two phreatic eruptions were reported at the end of April, by which time the crater lake had nearly dried up. Intense gas emission in the ensuing months caused health problems and severe economic losses in agricultural areas. Ash eruptions that took place on June 3 and July 9 to August 5 formed a small new crater. The crater lake (seen here September 2, 1994) returned, and minor phreatic eruptions took place in October.

Photo by José Enrique Valverde Sanabria, 1994 (courtesy of Eduardo Malavassi, OVSICORA-UNA).


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