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Fuego, Guatemala


Simplified tectonic map. Subduction of the Cocos Plate beneath the Caribbean Plate produces the Central American arc. The arc is defined by the line of volcanoes (black triangles).
 
 
Fuego has erupted more than 60 times since 1524, making it Central America's historically most active volcano. Three of these eruptions caused fatalities. Typically, violent vulcanian eruptions last a few ho urs to several days and produce pyroclastic flows. This photo shows Fuego (foreground) and Acatenango (background).
The most recent large eruptions at Fuego were in October of 1974. Over a ten day period there were four distinct pulses in vulcanian activity, each lasting 4-17 hours. An ash cloud shot more than 4 miles (7 km) above the volcano. Glowing avalanches mov ed down the slopes of Fuego at 35 miles per hour (60 km/hr). Atmospheric effects were reported for months following the eruption.
There are active fumaroles in the crater at the summit.
 
July 26, 1999
On 19 July, the Fuego Volcano experienced a small ash eruption. A hotspot was noted on satellite imagery.  

 
Information supplied by: http://volcano.und.nodak.edu