Session 3.9: Multidisciplinary Advances in Understanding Pyroclastic Density Currents

Lucas Corna¹ , Andrea Bevilacqua¹, Federico Di Traglia², Alessio Di Roberto¹, Augusto Neri¹, Massimo Pompilio¹, Giuseppe Re¹, Alessandro Tadini¹, Mattia de'Michieli Vitturi¹

Friday, 16:30 - 18:00 • 180

Triggering and propagation of the 10 February 2022 pyroclastic avalanches at Mt. Etna (Italy): a multidisciplinary perspective

Francesco Zuccarello¹, Daniele Andronico¹, Boris Behncke¹, Annalisa Cappello¹, Francesco Ciancitto¹, Paola Del Carlo², Mattia de' Michieli Vitturi², Alessio Di Roberto², Tomaso Esposti Ongaro², Ganci Gaetana¹

Friday, 16:30 - 18:00 • 182

Co-ignimbrite plumes: insights from the deposits of the VEI 6 Pozzolane Rosse co-ignimbrite deposits (Colli Albani, Italy)

Giordano G.¹, G. Di Camillo¹, B. Giaccio², F. Pardini³, M. de Michieli Vitturi³, T. Esposti Ongaro³, P. Gabellini⁴, R. Cioni⁴, L. Calabrò⁵

Friday, 16:30 - 18:00 • 184

High-Temperature Deformation and Failure of Welded Volcaniclastic Deposits: Implications for Deposit-Derived Pyroclastic Density Currents

Teresa Oreade Grillo¹ , Sara Calandra², Teresa Salvatici², Alessia Falasconi³, Alessandro Frontoni⁴, Gianmarco Buono³, Lucia Pappalardo³, Claudia Romano¹, Alba Patrizia Santo², Guido Giordano¹, Emanuele Intrieri², Alessandro Vona¹, Federico Di Traglia^3,2

Friday, 16:30 - 18:00 • 185

Know your clusters to predict disasters -- how hazard exacerbating particle-gas feedback evolves inside pyroclastic density currents

Ermanno Brosch¹, Gert Lube ¹, Eric Breard², Eckart Meiburg³

Friday, 16:30 - 18:00 • 187

The Kencherra Ignimbrite (Central Main Ethiopian Rift): a case study for assessing emplacement mechanisms of high-grade, welded ignimbrites

Raffaello Cioni¹ , Zara Franceschini¹, Alex Scarani², Alessandro Vona², Stéphane Scaillet³, Federico Sani¹, Giacomo Corti⁴, Bruno Scaillet³, Gaëlle Prouteau³, Abate Assan Melaku^5 ^

Friday, 16:30 - 18:00 • 189

A global database of pyroclastic density current deposit field data: potential use for PDC modelling and hazard assessments

Joshua Brown¹, Rebecca Williams ¹, Sarah Ogburn², Brittany Brand³, Eric Breard⁴, Sylvain Charbonnier⁵, Natasha Dowey⁶, Josef Dufek⁷, Mark Jellinek⁸, Ulrich Küppers⁹, Gert Lube¹⁰, Pete Rowley¹¹

Friday, 16:30 - 18:00 • 191

Quantifying "boiling-over" versus discrete eruption column collapse to predict the timing and intensity of pyroclastic density currents

Johan T. Gilchrist ¹, A. Mark Jellinek²

Friday, 16:30 - 18:00 • 192

Session 3.9: Multidisciplinary Advances in Understanding Pyroclastic Density Currents

Talks

Precursory Pressure Signals of Pyroclastic Density Currents (Invited)

Emplacement mechanisms of pyroclastic density currents: insights from numerical simulation of dense granular flow with pore gas pressure

The interaction between Pyroclastic Density Currents and waterbodies, first results from PELE large-scale experiment

Multiphase Modeling of Density Current Interactions with Topography: Insights into Depositional Processes

A multi-faceted approach to estimate total grain size distribution of pyroclastic density current deposits using unoccupied aircraft systems, wet sieving, and high-resolution digital microscopy

Collapse and entrainment of perched, metastable, volcaniclastic sequences as a key PDC generation mechanism: Volcán de Fuego June 2018 PDCs and analogue experiments

Fountain-like collapse of an eruption column during a large explosive eruption

Posters

Can you stop a PDC? Assessing the impact of vertical topographic barriers on channelised, aerated, dense granular currents

Revealing the key role of the substrate in pyroclastic flows using small-to-large scale experiments

Experimental study of the formation of dilute or concentrated pyroclastic currents in the impact zone of eruptive fountains

Analysing the rheology of diverse volcanic granular flows with a new open-source coarse-graining tool.

Shape evolution of pumice during granular flow

Dynamics and deposits of a two-layer model for pyroclastic density currents in magmatic and phreatomagmatic eruptions

Investigating the evolution of grain shape during transport inside various small-volume pyroclastic density currents over complex topographies

Field Investigation and Numerical Modeling of Deposit-derived Pyroclastic Density Currents in Punta Labronzo Area (Stromboli, Italy), from the Paroxysmal Activity of 1930

Triggering and propagation of the 10 February 2022 pyroclastic avalanches at Mt. Etna (Italy): a multidisciplinary perspective

Co-ignimbrite plumes: insights from the deposits of the VEI 6 Pozzolane Rosse co-ignimbrite deposits (Colli Albani, Italy)

High-Temperature Deformation and Failure of Welded Volcaniclastic Deposits: Implications for Deposit-Derived Pyroclastic Density Currents

Know your clusters to predict disasters -- how hazard exacerbating particle-gas feedback evolves inside pyroclastic density currents

The Kencherra Ignimbrite (Central Main Ethiopian Rift): a case study for assessing emplacement mechanisms of high-grade, welded ignimbrites

A global database of pyroclastic density current deposit field data: potential use for PDC modelling and hazard assessments

Quantifying "boiling-over" versus discrete eruption column collapse to predict the timing and intensity of pyroclastic density currents

Mass and Energy Exchange in Pyroclastic Density Currents: Development and Application of Physics-based Parameterizations

Rheology of granular flows: implications for pyroclastic density currents

Size limits on particle rounding and their use in comparison between pyroclastic flow and fallout units

Dynamics of granular flows in volcanic environments: insights from analogue experiments