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Well-preserved fallout basaltic tuff in central Paraná-Etendeka Large Igneous Province: pyroclastic evidence of high fire-fountain eruptions
The Paraná-Etendeka Large Igneous Province (PELIP) is renowned for its massive and rapidly emplaced flood basalts that dominated the centre of the...
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Modelling pyroclastic density currents from a subplinian eruption at La Soufrière de Guadeloupe (West Indies, France)
We have used a three-dimensional, non-equilibrium multiphase flow numerical model to simulate subplinian eruption scenarios at La Soufrière de...
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The interaction between concentrated pyroclastic density currents and snow: a case study from the 2008 mixed-avalanche from Volcán Llaima (Chile)
The incorporation of snow and ice by pyroclastic density currents (PDCs) can generate mixed-avalanches and pose significant hazards at snow-clad...
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Estimating eruptive parameters and related uncertainties for pyroclastic density currents deposits: worked examples from Somma-Vesuvius (Italy)
The quantification of the maximum runout, invaded area, volume, and total grain-size distribution (TGSD) of pyroclastic density currents (PDC) is a...
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Synthetic benchmarking of concentrated pyroclastic current models
Validation and benchmarking of pyroclastic current (PC) models is required to evaluate their performance and their reliability for hazard assessment....
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Dynamic pressure evolution within the 18 May 1980 Mount St. Helens pyroclastic density current: evidence from tree damage
The effects of pyroclastic density currents (PDCs) can be devastating, so understanding their internal dynamics and evolution is important for hazard...
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Evolution of mid-Tertiary continental pyroclastic-flood basalt facies association within the context of the Red Sea rifting, northern Western Desert, Egypt
The research offers a perspective on the hierarchical facies and the development of an Oligo-Miocene sequence of pyroclastics and lava flows within a...
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Initiation of dilute and concentrated pyroclastic currents from collapsing mixtures and origin of their proximal deposits
Numerical solution of the time-dependent conservation equations for mass, momentum, specific internal energy, and granular temperature in flows...
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Ultra-crystalline pyroclastic deposits and rhyolitic lavas controlled by crystal mushes: insights from the Acoculco Caldera Complex, México
The Acoculco Caldera Complex (ACC), located in eastern Mexico, began its activity during the Pleistocene ~ 2.7 Ma. One of the most relevant and...
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Validation of a two-layer depth-averaged model by comparison with an experimental dilute stratified pyroclastic density current
Numerical results of a two-layer depth-averaged model of pyroclastic density currents (PDCs) were compared with an experimental PDC generated at the...
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Pulsating flow dynamics of sustained, forced pyroclastic density currents: insights from a facies analysis of the Campo de la Piedra Pómez ignimbrite, southern Puna, Argentina
The Quaternary Campo de la Piedra Pomez ignimbrite (CPPI) is a superbly exposed, partially indurated, rhyolitic ignimbrite emplaced on the southern...
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Submarine terraced deposits linked to periodic collapse of caldera-forming eruption columns
Catastrophic, caldera-forming explosive eruptions generate hazardous ash fall, pyroclastic density currents and, in some cases, tsunamis, yet their...
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Facies architecture, geochemistry and petrogenesis of Middle Triassic volcaniclastic deposits of Mt. Ivanščica (NW Croatia): evidence of bimodal volcanism in the Alpine-Dinaridic transitional zone
During the Middle Triassic, intensive volcanic activity took place along the eastern margin of Pangea, including the Greater Adria promontory, due to...
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A framework for validation and benchmarking of pyroclastic current models
Numerical models of pyroclastic currents are widely used for fundamental research and for hazard and risk modeling that supports decision-making and...
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Generation of air lubrication within pyroclastic density currents
Pyroclastic density currents are highly dangerous ground-hugging currents from volcanoes that cause >50% of volcanic fatalities globally. These hot...
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Biostratigraphy and facies description of Middle Triassic rift-related volcano-sedimentary successions at the junction of the Southern Alps and the Dinarides (NW Croatia)
The Middle Triassic volcano-sedimentary successions deposited on the passive continental margin during a period of intense extensional tectonics...
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Merapi Volcano Geology, Eruptive Activity, and Monitoring of a High-Risk Volcano
This book provides the first comprehensive compilation of cutting-edge research on Merapi volcano on the island of Java, Indonesia, one of the most...
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Effects of debris entrainment and recycling on explosive volcanic eruption jets and columns
A multiphase fluid dynamic model is used to explore the effects of entrainment of granular debris into sustained volcanic jets such as those which...
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Geochemistry and REE tetrad effect of the acidic volcanics and associated stream sediments, southeast G. El-Hadid area, Central Eastern Desert, Egypt
This study investigates mineralogy, geochemistry, and the origin of acidic volcanic rocks and stream sediments in the Central Eastern Desert of...
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Subaerial to subaqueous volcaniclastics from the Bayana sub-basin, North Delhi Fold Belt (NDFB), India: Evidence for a Paleoproterozoic subduction margin
AbstractThe Paleoproterozoic Jahaj–Govindpura Formation of the Raialo Group of Delhi supergroup, India exposes volcanic and volcaniclastics rock at...
