Search Results - "Lucia Gurioli"

Improving communication between volcano observatories and volcanic ash advisory centres in Europe—outcomes from a first workshop by Witham, Claire, Kristiansen, Nina, Gurioli, Lucia

“…Effective aviation response to atmospheric emissions from volcanic eruptions relies upon timely communication and information exchange. To explore the current…”
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Basaltic dyke eruptions at Piton de La Fournaise: characterization of the eruptive products with implications for reservoir conditions, conduit processes and eruptive dynamics by Thivet, Simon, Gurioli, Lucia, Di Muro, Andrea

“…Small-volume proximal-summit eruptions, sometimes with only little precursors, are common at Piton de la Fournaise (La Reunion Island, France). Their eruptive…”
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The evolution of pore connectivity in volcanic rocks by Colombier, Mathieu, Wadsworth, Fabian B., Gurioli, Lucia, Scheu, Bettina, Kueppers, Ulrich, Di Muro, Andrea, Dingwell, Donald B.

“…Pore connectivity is a measure of the fraction of pore space (vesicles, voids or cracks) in a material that is interconnected on the system length scale. Pore…”
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Evolution of magma decompression and discharge during a Plinian event (Late Bronze-Age eruption, Santorini) from multiple eruption-intensity proxies by Myers, Madison L., Druitt, Timothy H., Schiavi, Federica, Gurioli, Lucia, Flaherty, Taya

“…We have coupled three independent methods to investigate the time evolution of eruptive intensity during the sub-Plinian and Plinian phases of the 3600-year BP…”
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Eruption style and dynamics of the ~ 87 ka Baricha peralkaline rhyolite eruption in Ethiopia by Tadesse, Amdemichael Zafu, Fontijn, Karen, Wallace, Paul A., Gurioli, Lucia, Laha, Priya, Terryn, Herman, Ayalew, Dereje

“…Peralkaline rhyolites are a rare magma type, typically associated with continental rift settings, and characterised by excess alkalis relative to alumina and a…”
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The viscosity of pāhoehoe lava: In situ syn-eruptive measurements from Kilauea, Hawaii by Chevrel, Magdalena Oryaëlle, Harris, Andrew J.L., James, Mike R., Calabrò, Laura, Gurioli, Lucia, Pinkerton, Harry

“…Viscosity is one of the most important physical properties controlling lava flow dynamics. Usually, viscosity is measured in the laboratory where key…”
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Magma fragmentation and particle size distributions in low intensity mafic explosions: the July/August 2015 Piton de la Fournaise eruption by Edwards, Matthew J., Pioli, Laura, Harris, Andrew J. L., Gurioli, Lucia, Thivet, Simon

“…Understanding magma fragmentation mechanisms in explosive eruptions is a key requirement for volcanic hazard assessment, eruption management and risk…”
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Variability of ash deposits at Piton de la Fournaise (La Reunion Island): insights into fragmentation processes at basaltic shield volcanoes by Thivet, Simon, Gurioli, Lucia, Di Muro, Andrea, Eychenne, Julia, Besson, Pascale, Nedelec, Jean-Marie

“…It is commonly accepted that effusive activity emplaces the main emitted magmatic volume in basaltic shield volcanoes. At Piton de La Fournaise (La Réunion…”
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Standardized analysis of juvenile pyroclasts in comparative studies of primary magma fragmentation; 1. Overview and workflow by Ross, Pierre-Simon, Dürig, Tobias, Comida, Pier Paolo, Lefebvre, Nathalie, White, James D. L., Andronico, Daniele, Thivet, Simon, Eychenne, Julia, Gurioli, Lucia

“…Juvenile pyroclasts, especially in the ash size range, provide important information on primary fragmentation processes, i.e., initial explosive magma…”
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Mantle xenolith-bearing phonolites and basanites feed the active volcanic ridge of Mayotte (Comoros archipelago, SW Indian Ocean) by Berthod, Carole, Médard, Etienne, Di Muro, Andrea, Hassen Ali, Théo, Gurioli, Lucia, Chauvel, Catherine, Komorowski, Jean-Christophe, Bachèlery, Patrick, Peltier, Aline, Benbakkar, Mhammed, Devidal, Jean-Luc, Besson, Pascale, Le Friant, Anne, Deplus, Christine, Nowak, Sophie, Thinon, Isabelle, Burckel, Pierre, Hidalgo, Samia, Feuillet, Nathalie, Jorry, Stephan, Fouquet, Yves

“…Since 2018, the submarine east flank of Mayotte Island (Comoros archipelago) is the site of a major eruption located at 3.5 km depth bsl on a WNW-ESE volcanic…”
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Estimating eruptive parameters and related uncertainties for pyroclastic density currents deposits: worked examples from Somma-Vesuvius (Italy) by Cioni, Raffaello, Tadini, Alessandro, Gurioli, Lucia, Bertagnini, Antonella, Mulas, Maurizio, Bevilacqua, Andrea, Neri, Augusto

“…The quantification of the maximum runout, invaded area, volume, and total grain-size distribution (TGSD) of pyroclastic density currents (PDC) is a critically…”
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Evidences of Plug Pressurization Enhancing Magma Fragmentation During the September 2016 Basaltic Eruption at Piton de la Fournaise (La Réunion Island, France) by Simon Thivet, Lucia Gurioli, Andrea Di Muro, Allan Derrien, Valérie Ferrazzini, Mathieu Gouhier, Diego Coppola, Bo Galle, Santiago Arellano

“…Abstract In September 2016, Piton de la Fournaise volcano, well known for its effusive and Hawaiian fountaining activity, produced, at the end of the eruption,…”
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Transitions between fall phases and pyroclastic density currents during the AD 79 eruption at Vesuvius: building a transient conduit model from the textural and volatile record by Shea, Thomas, Gurioli, Lucia, Houghton, Bruce F.

“…The magmatic phase of the AD 79 eruption of Vesuvius produced alternations of fall and pyroclastic density current (PDC) deposits. A previous investigation…”
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An expanded model and application of the combined effect of crystal-size distribution and crystal shape on the relative viscosity of magmas by Klein, Johannes, Mueller, Sebastian P., Helo, Christoph, Schweitzer, Silja, Gurioli, Lucia, Castro, Jonathan M.

“…This study examines the combined effect of crystal-size distributions (CSD) and crystal shape on the rheology of vesicle free magmatic suspensions and provides…”
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Plume Height Time-Series Retrieval Using Shadow in Single Spatial Resolution Satellite Images by Pailot-Bonnétat, Sophie, Harris, Andrew J. L., Calvari, Sonia, De Michele, Marcello, Gurioli, Lucia

“…Volcanic plume height is a key parameter in retrieving plume ascent and dispersal dynamics, as well as eruption intensity; all of which are crucial for…”
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Eruption and emplacement dynamics of a thick trachytic lava flow of the Sancy volcano (France) by Latutrie, Benjamin, Harris, Andrew, Médard, Etienne, Gurioli, Lucia

“…A 70-m-thick, 2200-m-long (51 × 10 6  m 3 ) trachytic lava flow unit underlies the Puy de Cliergue (Mt. Dore, France). Excellent exposure along a 400-m-long…”
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Lava Volume from Remote Sensing Data: Comparisons with Reverse Petrological Approaches for Two Types of Effusive Eruption by Verdurme, Pauline, Carn, Simon, Harris, Andrew J. L., Coppola, Diego, Di Muro, Andrea, Arellano, Santiago, Gurioli, Lucia

“…Five effusive eruptions of Piton de la Fournaise (La Réunion) are analyzed to investigate temporal trends of erupted mass and sulfur dioxide (SO2) emissions…”
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Multi-Parametric Field Experiment Links Explosive Activity and Persistent Degassing at Stromboli by Thivet, Simon, Harris, Andrew J. L., Gurioli, Lucia, Bani, Philipson, Barnie, Talfan, Bombrun, Maxime, Marchetti, Emanuele

“…Visually unattainable magmatic processes in volcanic conduits, such as degassing, are closely linked to eruptive styles at the surface, but their roles are not…”
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Conduit Dynamics in Transitional Rhyolitic Activity Recorded by Tuffisite Vein Textures from the 2008–2009 Chaitén Eruption by Saubin, Elodie, Tuffen, Hugh, Gurioli, Lucia, Owen, Jacqueline, Castro, Jonathan M., Berlo, Kim, McGowan, Ellen M., Schipper, C. Ian, Wehbe, Katia

“…The mechanisms of hazardous silicic eruptions are controlled by complex, poorly-understood conduit processes. Observations of recent Chilean rhyolite eruptions…”
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Fragmentation Processes During Strombolian Explosions Revealed Using Particle Size Distribution Mapping by Colo’, Livia, Ripepe, Maurizio, Gurioli, Lucia, Harris, Andrew J. L.

“…Fragmentation dynamics can be described by the size distribution of the fragments generated during an explosion. We approach the problem of magma fragmentation…”
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