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Journal of Volcanology and Geothermal Research(18)
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Collisional interactions and the transition between lava dome sector collapse and pyroclastic density currents at Tutupaca volcano (Southern Peru)
ArticleAbstract: We describe sedimentological variations of the block-rich debris avalanche deposits and associated pPalabras claves:Block clusters, Local kinematics, Sedimentology, Striations, Volcanic debris-avalanche depositAutores:Bernard K., Mariño J., Pablo Samaniego Ponce, Valderrama P., Van Wyk de Vries B.Fuentes:scopusA devastating Plinian eruption at Tungurahua volcano reveals formative occupation at ~1100 cal BC in central Ecuador
ArticleAbstract: Based on archaeological and radiometric constraints, previous studies have divided pre-Columbian timPalabras claves:Andes, ECUADOR, Formative culture, Plinian eruption, tephrochronology, TungurahuaAutores:D. Jaya, de Saulieu G., Gailler L., LePennec J.L., Pablo Samaniego PonceFuentes:scopusConduit 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:googlescopusConstraining magma sources using primitive olivine-hosted melt inclusions from Puñalica and Sangay volcanoes (Ecuador)
ArticleAbstract: Constraining arc magma sources at continental arc settings is a delicate task, because chemical signPalabras claves:ECUADOR, melt inclusions, Olivine, Primary magmas, subduction zone, Volatile elementsAutores:Diego F. Narváez, Koga K.T., Pablo Samaniego Ponce, Rose-Koga E.F., Silvana HidalgoFuentes: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:scopusCrustal thickness and magma storage beneath the Ecuadorian arc
ArticleAbstract: The Northern Andes of Ecuador contain some of the most active volcanic systems in the Andes and extePalabras claves:Crustal Imaging, crustal structure, Joint inversion, SOUTH AMERICA, Volcanic structureAutores:Beck S.L., Delph J., Koch C.D., Lynner C., Mario C. Ruiz, Meltzer A., Pablo Samaniego Ponce, Patricia A. Mothes, Silvana Hidalgo, Stephen HernándezFuentes:scopusDegassing patterns of Tungurahua volcano (Ecuador) during the 1999-2006 eruptive period, inferred from remote spectroscopic measurements of SO<inf>2</inf> emissions
ArticleAbstract: This paper presents the results of 7 years (Aug. 1999-Oct. 2006) of SO2 gas measurements during thePalabras claves:COSPEC, DOAS, sulfur dioxide, Tungurahua Volcano, volcanic degassingAutores:Andrés Gorki Ruiz, Arellano S.R., Hall M.L., Hugo Yepes, Indira Molina, LePennec J.L., Pablo Samaniego PonceFuentes:scopusGranular fingering as a mechanism for ridge formation in debris avalanche deposits: Laboratory experiments and implications for Tutupaca volcano, Peru
ArticleAbstract: The origin of subparallel, regularly-spaced longitudinal ridges often observed at the surface of volPalabras claves:Analogue experiments, Debris avalanche, Granular fingering, Granular flow, RidgeAutores:Araujo G., Pablo Samaniego Ponce, Roche O., Valderrama P., van Wyk des Vries B.Fuentes: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:scopus