Mostrando 10 resultados de: 13
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Journal of Volcanology and Geothermal Research(4)
Bulletin of Volcanology(3)
Advances in Volcanology(1)
Earth and Planetary Science Letters(1)
Frontiers in Earth Science(1)
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Geología, hidrología, meteorología(11)
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Effect of temperature on the permeability of lava dome rocks from the 2004–2008 eruption of Mount St. Helens
ArticleAbstract: As magma ascends to shallow levels in the volcanic conduit, volatile exsolution can produce a dramatPalabras claves:fractures, Lava domes, Mount St Helens, Outgassing, permeabilityAutores:Chadderton A., Elizabeth H. Gaunt, Mebkp_redith P.G., Sammonds P.R.Fuentes:scopusGeophysical Footprints of Cotopaxi’s Unrest and Minor Eruptions in 2015: An Opportunity to Test Scientific and Community Preparedness
Book PartAbstract: Cotopaxi volcano, Ecuador, experienced notable restlessness in 2015 that was a major deviation fromPalabras claves:Cotopaxi volcano-Ecuador, Precursory geophysical patterns, Precursory LPs and VLPs, State of preparedness, volcanic unrest, Volcano MonitoringAutores:Edwin G. Viracucha, Elizabeth H. Gaunt, Espín P.A., Julien Bernard, Marco A. Yépez, Mario C. Ruiz, Patricia A. Mothes, Patricio A. Ramón, Paul Jarrin, Silvana Hidalgo, Stephen HernándezFuentes:googlescopusHydrothermal fluid migration due to interaction with shallow magma: Insights from gravity changes before and after the 2015 eruption of Cotopaxi volcano, Ecuador
ArticleAbstract: On August 14, 2015 Cotopaxi Volcano (Ecuador) erupted with several phreatomagmatic explosions afterPalabras claves:Cotopaxi Volcano, Hydrothermal fluid migration, Time-lapse gravity, volcanic unrestAutores:Battaglia M., Calahorrano-Di Patre A., Elizabeth H. Gaunt, Mario C. Ruiz, Patricia A. Mothes, Williams-Jones G., Witter J., Zurek J.M.Fuentes:googlescopusEruption 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:scopusEvidence for deep gas loss in open volcanic systems
ArticleAbstract: Previous studies of Vulcanian eruptive products have shown that the respective volcanic conduits werPalabras claves:Channelling, Crystal content, Outgassing, Porosity, Silicic volcanoesAutores:Burgisser A., Collombet M., Colombier M., Elizabeth H. GauntFuentes:scopusJuvenile magma recognition and eruptive dynamics inferred from the analysis of ash time series: The 2015 reawakening of Cotopaxi volcano
ArticleAbstract: Forecasting future activity and performing hazard assessments during the reactivation of volcanoes rPalabras claves:Cotopaxi Volcano, eruption dynamics, hazard assessment, Volcanic ash, Volcano MonitoringAutores:Antonio Proaño, Elizabeth H. Gaunt, Evelyn Criollo, Julien Bernard, Kueppers U., Patricia A. Mothes, Silvana Hidalgo, Wright H.M.N.Fuentes:googlescopusPost-Caldera Eruptions at Chalupas Caldera, Ecuador: Determining the Timing of Lava Dome Collapse, Hummock Emplacement and Dome Rejuvenation
ArticleAbstract: Determining the lithology, extent, origin, and age of hummocks can be challenging, especially if thePalabras claves:Buenavista, Chalupas Caldera, dome collapse breccia, field mapping, scanning electron microscope imaging, Volcanic hazardsAutores:Elizabeth H. Gaunt, Josué Salgado, Marco D. Córdova, Patricia A. MothesFuentes:googlescopusPathways for degassing during the lava dome eruption of Mount St. Helens 2004-2008
ArticleAbstract: The ability of volatiles to escape rising magma regulates the explosivity of a volcanic system. DuriPalabras claves:Autores:Elizabeth H. Gaunt, Mebkp_redith P.G., Pallister J., Sammonds P.R., Smith R.Fuentes:scopusSeismogenic frictional melting in the magmatic column
ArticleAbstract: Lava dome eruptions subjected to high extrusion rates commonly evolve from endogenous to exogenous gPalabras claves:Autores:De Angelis S., Dingwell D.B., Elizabeth H. Gaunt, Ferk A., Hess K.U., Kendrick J.E., Lavallée Y., Leonhardt R., Mebkp_redith P.G.Fuentes:scopusThe rise and fall of periodic ‘drumbeat’ seismicity at Tungurahua volcano, Ecuador
ArticleAbstract: Highly periodic ‘drumbeat’ long period (LP) earthquakes have been described from several andesitic aPalabras claves:conduit processes, drumbeat earthquakes, long period earthquakes, volcanic seismicity, volcano deformation, volcano degassingAutores:Bell A.F., Daniel Sierra, Elizabeth H. Gaunt, Mario C. Ruiz, Patricia A. Mothes, Santiago X. Aguaiza, Stephen HernándezFuentes:googlescopus