Mostrando 10 resultados de: 17
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Journal of Volcanology and Geothermal Research(7)
Bulletin of Volcanology(4)
Frontiers in Earth Science(2)
Chemical Geology(1)
Geochemistry, Geophysics, Geosystems(1)
Conduit processes in crystal-rich dacitic magma and implications for eruptive cycles at Guagua Pichincha volcano, Ecuador
ArticleAbstract: Abstract: Stratovolcanoes are commonly characterised by cyclic eruptive activity marked by transitioPalabras claves:Degassing, Dome-forming eruption, Effusive-explosive transition, Eruptive cycles, GUAGUA PICHINCHA, Percolation model, Plinian eruption, Textural analysisAutores:Cáceres F., Cimarelli C., Colombier M., Dingwell D.B., Heap M.J., Julien Bernard, LePennec J.L., Pablo Samaniego Ponce, Vasseur J., Wright H.M.N.Fuentes:googlescopusContrasting origin of two clay-rich debris flows at Cayambe Volcanic Complex, Ecuador
ArticleAbstract: We investigate the sedimentological and mineralogical properties of a debris flow deposit west of CaPalabras claves:Cayambe Volcanic Complex, Clay minerals, Debris flow deposit, Hydrothermal alteration, Volcanic debris avalancheAutores:Alicia Guevara, Delmelle P., Detienne M., Opfergelt S., Pablo Samaniego Ponce, Patricia A. MothesFuentes:scopusActive Tectonics and Earthquake Geology Along the Pallatanga Fault, Central Andes of Ecuador
ArticleAbstract: Based on new geological data and the analysis of a 4 m spatial resolution Digital Elevation Model (DPalabras claves:active tectonics, Andes, Earthquake, ECUADOR, Pallatanga faultAutores:Alexandra P. Alvarado, Audin L., Bablon M., Baize S., Champenois J., Espín P.A., Jomard H., LePennec J.L., Pablo Samaniego Ponce, Quidelleur X.Fuentes:googlescopusGeochronological evolution of the potentially active Iliniza Volcano (Ecuador) based on new K-Ar ages
ArticleAbstract: The youngest volcanism of the Ecuadorian Volcanic Front (Western Cordillera) is mainly dominated byPalabras claves:ECUADOR, geomorphology, Iliniza volcano, K-Ar dating, Volcanic hazardsAutores:Espín P.A., Lahitte P., LePennec J.L., Liorzou C., Marco D. Córdova, Pablo Samaniego Ponce, Quidelleur X., Santiago Santamaría, Silvana HidalgoFuentes:scopusForecasting and communicating the dispersion and fallout of ash during volcanic eruptions: lessons from the September 20, 2020 eruptive pulse at Sangay volcano, Ecuador
ArticleAbstract: Volcanic ash is a hazard to human health and activities. Accurate and timely forecasts coupled withPalabras claves:Ash3d, COMMUNICATION, eruption source parameters, forecasting, grain-size distribution, Sangay, violent StrombolianAutores:Gerardo Pino, Julien Bernard, Kibler J., Marjorie Encalada, Mastin L.G., Pablo Samaniego Ponce, Silvana Hidalgo, Stephen Hernández, Vizuete N.Fuentes:scopusEruption type probability and eruption source parameters at Cotopaxi and Guagua Pichincha volcanoes (Ecuador) with uncertainty quantification
ArticleAbstract: Future occurrence of explosive eruptive activity at Cotopaxi and Guagua Pichincha volcanoes, EcuadorPalabras claves:Cotopaxi Volcano, Expert elicitation, Guagua pichincha volcano, uncertainty quantification, volcanic hazardAutores:Antonio Proaño, Aspinall W., Azzaoui N., Bevilacqua A., Cioni R., de’ Michieli Vitturi M., Elizabeth H. Gaunt, Eychenne J., Gouhier M., Guillin A., Julien Bernard, Marjorie Encalada, Mia Pique, Neri A., Pablo Samaniego Ponce, Pistolesi M., Roche O., Silvana Hidalgo, Silvia X. Vallejo, Tadini A., Yepes H.Fuentes:scopusEvolution of the 2015 Cotopaxi Eruption Revealed by Combined Geochemical and Seismic Observations
ArticleAbstract: Through integration of multiple data streams to monitor volcanic unrest scientists are able to makePalabras claves:Cotopaxi Volcano, preeruptive conditions, preeruptive signals, volcanic gas ratios, volcano degassing, volcano seismicityAutores:Arellano S.R., Barrington C., Battaglia J., Daniel Sierra, Dinger F., Julien Bernard, Kelly P.J., Pablo Samaniego Ponce, René Parra, Silvana HidalgoFuentes:googlescopusEvolution of the late Pleistocene Mojanda-Fuya Fuya volcanic complex (Ecuador), by progressive adakitic involvement in mantle magma sources
ArticleAbstract: The Mojanda-Fuya Fuya Volcanic Complex consists of two nearby volcanoes, Mojanda and Fuya Fuya. ThePalabras claves:Adakites, Andes, arc magmatism, ECUADOR, Mantle metasomatism, Slab melting, Volcano evolutionAutores:Claude Robin, Cotten J., Eissen J.P., Hall M.L., Martin H., Pablo Samaniego PonceFuentes:scopusEcuadorian Andes volcanism: A review of Late Pliocene to present activity
ArticleAbstract: This article provides background information about Ecuador's general volcanic setting, as an introduPalabras claves:diverse arc magmatism, Ecuador volcanism, Northern andesAutores:Hall M.L., Johnson J.B., LePennec J.L., Pablo Samaniego PonceFuentes:scopusInSAR Deformation Analysis and Source Modelling of the Guagua Pichincha Volcano (Ecuador)
Conference ObjectAbstract: Guagua Pichincha (4784 m a.s.1.) is a dacite-composed stratovolcano, located 12 km to the west of QuPalabras claves:ECUADOR, GUAGUA PICHINCHA, HAZARD, InSAR, modelling, volcanoAutores:Atzori S., Marco A. Yépez, Mario C. Ruiz, Pablo Samaniego Ponce, Patricia A. Mothes, Tolomei C., Trasatti E.Fuentes:scopus