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Global Volcanism Program | Image GVP-08271

A vigorous gas plume is seen exiting from Masaya volcano in November 1998.  Masaya's latest episode of degassing activity began in mid 1993.  Prevailing winds typically distribute plumes from Masaya to the west, where they come in contact with the higher-elevation Las Sierras highlands (left horizon).  The volcanic emissions during 1998-1999 affected a 1250 sq km area downwind, causing health hazards and extensive vegetation damage, resulting in economic losses to coffee plantations.  Photo by Lee Siebert, 1998 (Smithsonian Institution).

A vigorous gas plume is seen exiting from Masaya volcano in November 1998. Masaya's latest episode of degassing activity began in mid 1993. Prevailing winds typically distribute plumes from Masaya to the west, where they come in contact with the higher-elevation Las Sierras highlands (left horizon). The volcanic emissions during 1998-1999 affected a 1250 sq km area downwind, causing health hazards and extensive vegetation damage, resulting in economic losses to coffee plantations.

Photo by Lee Siebert, 1998 (Smithsonian Institution).


Masaya