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Halil Ibrahim Gündüz, Ferruh Yilmaztürk and Osman Orhan
Although approximately one-tenth of the world?s population lives near volcanoes, most of the 1500 active volcanoes are not monitored by ground-based instruments because of the cost and difficulty of access. Since the development of interferometric synthe...
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Steve Saunders, Eric Tenor, Joseph Wakawa and John Nohou
It has long been recognised that volcanoes deform as fluids migrate, or change pressure in fractures and reservoirs within the volcano or in the crust below and around them. Calderas in particular have been shown to deform in complex and often major ways...
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Alessandro Bonforte, Flavio Cannavò, Salvatore Gambino and Francesco Guglielmino
We propose a multi-temporal-scale analysis of ground deformation data using both high-rate tilt and GNSS measurements and the DInSAR and daily GNSS solutions in order to investigate a sequence of four paroxysmal episodes of the Voragine crater occurring ...
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Pamela Jara,Reynaldo Charrier
Pág. 174 - 209
New stratigraphical and geochronological constraints for the Mezo-Cenozoic deposits in the High Andes of central Chile between 32° and 32°30?S: Structural and palaeogeographic implications. Attempts to differentiate geological units of the Andean Princip...
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Mirella Piña-Gauthier,Luis E. Lara,Klaus Bataille,Andrés Tassara,Juan C. Báez
Pág. 310 - 323
GPS data from stations around the Chaitén Volcano show a co-eruptive pattern of inflation and deflation that correlates well with the estimated effusion rate during the 2008-2009 eruption. Axisymmetric radial deflation is coeval with periods of fast dome...
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Alberto Garrido,Alejandro Kramarz,Analía Forasiepi,Mariano Bond
Pág. 482 - 510
We present here the recent advances in understanding the stratigraphy and age of the Cenozoic volcanic and sedimentary sequences exposed on the area of sierra Huantraico ? sierra Negra and cerro Villegas (Pehuenches Department, Neuquén Province). Stratig...
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Jonathan E. Tobal,Emilio Rojas Vera,Andrés Folguera,Victor A. Ramos
Pág. 442 - 463
This geological study, carried out in the Cordón del Hielo Azul, west of the town of El Bolsón (Río Negro province, Argentine), shows the different relationships between the Early Jurassic cordilleran volcano-sedimentary sequence, the Middle-Late Jurassi...
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Ramon Moscoso,Constantino Mpodozis
Pág. 151 - 166
RESUMEN. En Chile, entre los 28° y 31°S, la cadena andina esta formada por dos provincias tectonicas con estilos estructurales distintos pero complementarios. La Cordillera Frontal (CF) esta dominada por la deformacion de basamento ('thick skinned'), ca...
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