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José Antonio Naranjo,Francisco Hevia,Edmundo Polanco
Pág. 514 - 528
The Mondaca Volcano comprises a thick rhyolitic lava-field and a dome of similar composition, located near the Lontué River Valley headwaters in the northern part of the Southern Andes Volcanic Zone. It reaches a total volume of ~0.85 km3, and it is for...
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Antonio Hernández-Espriú, Claudia Arango-Galván, Alfonso Reyes-Pimentel, Pedro Martínez-Santos, Carlos Pita de la Paz, Sergio Macías-Medrano, Alberto Arias-Paz and José Agustín Breña-Naranjo
The Mezquital Valley (MV) hosts the largest unmanaged aquifer recharge scheme in the world. The metropolitan area of Mexico City discharges ~60 m3/s of raw wastewater into the valley, a substantial share of which infiltrates into the regional aquifer. In...
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Jose Antonio Naranjo,Manuel Arenas,Jorge Clavero,Oscar Munoz
Pág. 137 - 146
The epicentre of the long-lasting seismic crisis started on the evening of January 22,2007 and it was located 20 km to the west of Puerto Chacabuco in the Patagonian fjordland, Chile (45°25'S). Approximately 7,000 events were recorded up to early May, fo...
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Silke Lohmar,Claude Robin,Alain Gourgaud,Jorge Clavero,Miguel angel Parada,Hugo Moreno,Orkun Ersoy,Leopoldo Lopez-Escobar,Jose Antonio Naranjo
Pág. 233 - 248
Villarrica is an active stratovolcano located in the Southern Andean Volcanic Zone. About 13,800 years BP (conventional radiocarbon ages), this volcano experienced major explosive eruptions which resulted in the emission of a sequence of pyroclastic flow...
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José Antonio Naranjo
Pág. 190 - 192
Roland Paskoff (1933-2005)
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Jose Antonio Naranjo,Edmundo Polanco
Pág. 279 - 292
Although all historic eruptions of the Copahue volcano (37°45'S-71°10.2'W, 3,001 m a.s.l.) have been of low magnitude, the largest (VEI=2) and longest eruptive cycle occurred from July to October 2000. Phreatic phases characterized the main events as a f...
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Jose Antonio Naranjo,Carlos Felipe Ramirez,Roland Pankoff
Pág. 91 - 103
ABSTRACT. The 2,500 km2 Salar de Atacama forms the center of a large Cenozoic depositional basin in the Andes of northern Chile. The stratigraphy and geomorphology of the western uplifted margin of this basin correlates well with the stages of the piedmo...
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