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Molecular-Dynamics Simulation of Vulcanian Eruption(Mathematical Aspects of Complex Fluids and Their Applications)openaire
Eruption dynamics inferred from pulse-like infrasound and video recordings: case studies of vulcanian eruptions at Sakurajima volcano and a phreatic eruption at Iwo-Yama volcanoopenaire
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Conduit implosion during Vulcanian eruptions
Geology, 2005Fragmentation experiments and detailed textural studies were performed on Vulcanian pyroclasts of variable porosity from Soufriere Hills volcano, Montserrat. We use textural differences to identify two types of pyroclasts with distinct eruption histories.
B. Kennedy +5 more
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A model of vulcanian eruptions at Galeras volcano, Colombia
Journal of Volcanology and Geothermal Research, 1997Abstract A series of six vulcanian eruptions at Galeras volcano, Colombia, occurred during 1992–1993. These eruptions followed the emplacement of a lava dome in late 1991, which was accompanied by cooling, crystallizing and partial solidification of the column of magma plugging the conduit.
John Stix +6 more
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Pulsed Vulcanian explosions: A characterization of eruption dynamics using Doppler radar
Geology, 2015Understanding the dynamics of ongoing volcanic eruptions is essential for predicting the input and transport of volcanic ash in the atmosphere. To constrain near-vent dynamic processes of explosive Vulcanian events, we used Doppler radar measurements, providing tephra velocities and a proxy of the mass flux, in two field experiments at Volcan de Colima
Scharff, L., Hort, M., Varley, N.
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Breadcrust bombs as indicators of Vulcanian eruption dynamics at Guagua Pichincha volcano, Ecuador
Bulletin of Volcanology, 2006Vulcanian eruptions are common at many volcanoes around the world. Vulcanian activity occurs as either isolated sequences of eruptions or as precursors to sustained explosive events and is interpreted as clearing of shallow plugs from volcanic conduits. Breadcrust bombs characteristic of Vulcanian eruptions represent samples of different parts of these
HM WRIGHT +3 more
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Energy consumption by magmatic fragmentation and pyroclast ejection during Vulcanian eruptions
Earth and Planetary Science Letters, 2010Abstract Magmatic fragmentation during explosive eruptions consumes a significant amount of energy by the creation of new surface via fracturing. This process reduces the energy that can be imparted to the resulting pyroclasts in the form of kinetic energy.
Miguel A. Alatorre-Ibargüengoitia +4 more
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Journal of South American Earth Sciences, 2019
Abstract Azufral is one of the most touristic, but also one of the most explosive active volcanoes of SW-Colombia. Although no historical eruptions have occurred, the potential thread is inferred from the predominance of dacitic pyroclastic units and lava domes since the Holocene.
Silvia C. Castilla +6 more
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Abstract Azufral is one of the most touristic, but also one of the most explosive active volcanoes of SW-Colombia. Although no historical eruptions have occurred, the potential thread is inferred from the predominance of dacitic pyroclastic units and lava domes since the Holocene.
Silvia C. Castilla +6 more
openaire +1 more source
Journal of Volcanology and Geothermal Research, 2008
In this paper, we document the evolution of the emergent Panarea dome in the Aeolian islands (Southern Italy), placing particular emphasis on the reconstruction of the explosive events that occurred during the final stage of its evolution. Two main pyroclastic successions exposing fall deposits with different compositions have been studied into detail:
C. CIMARELLI +3 more
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In this paper, we document the evolution of the emergent Panarea dome in the Aeolian islands (Southern Italy), placing particular emphasis on the reconstruction of the explosive events that occurred during the final stage of its evolution. Two main pyroclastic successions exposing fall deposits with different compositions have been studied into detail:
C. CIMARELLI +3 more
openaire +1 more source