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Global Volcanism Program | Image GVP-08505

A lava fountain and ash plumes erupt above MacKenney crater at Pacaya during a major eruptive episode on 16 January 2000. A lava flow is also descending the northern flank of the cone. After a quiescent period of nine months, eruptive activity had been more or less continuous at Pacaya since January 1990. Activity has consisted of frequent moderate eruptions that constructed the summit cone, punctuated by occasional larger explosions such as this one that enlarge the crater and reduce the height of the cone. Photo by Gene West, 2000.

A lava fountain and ash plumes erupt above MacKenney crater at Pacaya during a major eruptive episode on 16 January 2000. A lava flow is also descending the northern flank of the cone. After a quiescent period of nine months, eruptive activity had been more or less continuous at Pacaya since January 1990. Activity has consisted of frequent moderate eruptions that constructed the summit cone, punctuated by occasional larger explosions such as this one that enlarge the crater and reduce the height of the cone.

Photo by Gene West, 2000.

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Keywords: spatter | eruption | gas | gas plume | degassing | vent | lava fountain | lava flow | Strombolian | ballistics | ballistic ejecta | ejecta | explosive eruption | ash plume | ash | plume


Pacaya