Multiphase flow behaviour and hazard prediction of pyroclastic density currents

G Lube, ECP Breard, T Esposti-Ongaro… - Nature Reviews Earth & …, 2020 - nature.com
Pyroclastic density currents (PDCs) are dangerous multiphase flows originating from
volcanic eruptions. PDCs cause more than a third of volcanic fatalities globally and …

Ruapehu and Tongariro stratovolcanoes: a review of current understanding

GS Leonard, RP Cole, BW Christenson… - New Zealand Journal …, 2021 - Taylor & Francis
ABSTRACT Ruapehu (150 km3 cone, 150 km3 ring-plain) and Tongariro (90 km3 cone, 60
km3 ring-plain) are iconic stratovolcanoes, formed since∼ 230 and∼ 350 ka, respectively …

Volcano electrical tomography unveils edifice collapse hazard linked to hydrothermal system structure and dynamics

M Rosas-Carbajal, JC Komorowski, F Nicollin… - Scientific reports, 2016 - nature.com
Catastrophic collapses of the flanks of stratovolcanoes constitute a major hazard threatening
numerous lives in many countries. Although many such collapses occurred following the …

Stratigraphy, structure, and volcano-tectonic evolution of Solfatara maar-diatreme (Campi Flegrei, Italy)

R Isaia, S Vitale, MG Di Giuseppe, E Iannuzzi… - …, 2015 - pubs.geoscienceworld.org
This study focuses on the Solfatara volcano within Campi Flegrei, a volcanic field located on
the Tyrrhenian coast of southern Italy. Volcanism at the Campi Flegrei caldera has included …

Perils in distinguishing phreatic from phreatomagmatic ash; insights into the eruption mechanisms of the 6 August 2012 Mt. Tongariro eruption, New Zealand

N Pardo, SJ Cronin, K Németh, M Brenna… - Journal of Volcanology …, 2014 - Elsevier
The weak geophysical precursors of the 6 August 2012 Te Maari eruption of Mt. Tongariro
and a lack of obvious juvenile components in its proximal ballistic deposits imply that the …

Reconstruction of a phreatic eruption on 27 September 2014 at Ontake volcano, central Japan, based on proximal pyroclastic density current and fallout deposits

F Maeno, S Nakada, T Oikawa, M Yoshimoto… - Earth, Planets and …, 2016 - Springer
The phreatic eruption at Ontake volcano on 27 September 2014, which caused the worst
volcanic disaster in the past half-century in Japan, was reconstructed based on observations …

Inside pyroclastic density currents–uncovering the enigmatic flow structure and transport behaviour in large-scale experiments

ECP Breard, G Lube - Earth and Planetary Science Letters, 2017 - Elsevier
Pyroclastic density currents (PDCs) are the most lethal threat from volcanoes. While there
are two main types of PDCs (fully turbulent, fully dilute pyroclastic surges and more …

Destructiveness of pyroclastic surges controlled by turbulent fluctuations

E Brosch, G Lube, M Cerminara… - Nature …, 2021 - nature.com
Pyroclastic surges are lethal hazards from volcanoes that exhibit enormous destructiveness
through dynamic pressures of 100–102 kPa inside flows capable of obliterating reinforced …

[HTML][HTML] Geoheritage and geodiversity aspects of catastrophic volcanic eruptions: Lessons from the 15th of January 2022 Hunga Tonga-Hunga Ha'apai eruption, SW …

K Németh - International Journal of Geoheritage and Parks, 2022 - Elsevier
On the 15th of January 2022, a massive hydrovolcanic eruption at Hunga Tonga-Hunga
Ha'apai in Tonga (SW Pacific) sent shockwaves in the near-field regime, close to the …

[HTML][HTML] Hydrothermal alteration of surficial rocks at Solfatara (Campi Flegrei): Petrophysical properties and implications for phreatic eruption processes

K Mayer, B Scheu, C Montanaro, TI Yilmaz… - Journal of Volcanology …, 2016 - Elsevier
Solfatara crater is located within the Campi Flegrei caldera to the west of Naples (Italy). It is
one of the largest fumarolic manifestations known, and the rocks hosting the hydrothermal …