Cay Volcan, Chile - Infos / VolcanoDiscovery:

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Cay volcan

stratovolcan 2090 m / 6,857 ft
Argentine/Chili (sud), South America, -45.06°S / -72.98°W
Condition actuelle: en sommeil (1 sur 5)

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Style éruptif tipique: Explosive
Eruptions du volcan Cay: none in historic times
Cay photos du volcan

Derniers séismes proches: No recent earthquakes

Time

Mag. / Depth

Distance

Location

Volcán Cay is a probably still active stratovolcano in southern Chile, 15 km NE of Maca volcano and NW of the town of Puerto Aisén. Like Maca and Hudson volcanoes, Cay is one of the large composite central volcanoes in the South Andean Volcanic Zone.
Cay volcano is basaltic and dacitic in composition. It contains an explosion crater open to the east, and about a half dozen explosion craters and pyroclastic cones along a fissure trending SW of the summit.
Another 10 basaltic cinder cones are located along a second parallel fissure 5 km to the SE, which is part of the major regional Liquiñe-Ofqui fault zone.

Introduction:

The volcanoes of the South Andean Volcanic Zone are typically calkalkaline
and the result of the subduction of the Nazca Plate under the South America Plate. Cay volcano is located between the Guafo and Guamblin fracture zones.

Sources:
- Smithsonian / GVP volcano information
- D’Orazio et al (2003) "The Quaternary calc-alkaline volcanism of the Patagonian Andes close to the Chile triple junction: geochemistry and petrogenesis of volcanic rocks from the Cay and Maca volcanoes (~45.8°S, Chile)", Journal of South American Earth Sciences, Volume 16, Issue 4, Pages 219-242

Cay Photos:

Le volcan du Pacaya avec ses coulées de lave actives vue depuis l'Acatenango. (Photo: Tom Pfeiffer)	Coulée de lave au Pacaya (Photo: Tom Pfeiffer)	Pacaya in Guatemala, scanned from slide film. (Photo: hedgepig)
The small geothermal power plant in one of Pacaya's older craters. (Photo: Tom Pfeiffer)	Vue sur le cone central du Pacaya depuis le champ de lave de l'éruption au 2006. (Photo: Tom Pfeiffer)	Vue du Pacaya avec ses coulées de lave actives depuis l'Acatenango. (Photo: Tom Pfeiffer)

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