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Hazard predictions for volcanic explosions
Journal of Volcanology and Geothermal Research, 2001We have developed a method of producing hazard maps for volcanic eruptions using three-dimensional numerical simulations. Numerical simulations of shock-wave interactions with terrain were carried out assuming the volcanic explosion is analogous to point source explosions.
T. Saito +3 more
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2001
During explosive volcanic eruptions, up to 1014 kg of volcanic ash may be erupted from a vent forming violent ash flows or towering eruption columns. This massive amount of material is subsequently deposited on the ground, with much of the coarser fraction of the flow being deposited within a few hundred kilometres of the volcanic edifice.
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During explosive volcanic eruptions, up to 1014 kg of volcanic ash may be erupted from a vent forming violent ash flows or towering eruption columns. This massive amount of material is subsequently deposited on the ground, with much of the coarser fraction of the flow being deposited within a few hundred kilometres of the volcanic edifice.
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Understanding basaltic explosive volcanism
2010Basaltic volcanism was generally thought to produce effusive products (e.g. lava flows) with the most explosive manifestations ranging from mild Strombolian to Hawaiian activity. However, it has been recently recognized that basaltic magmas can erupt with a considerably higher explosive intensity and wide range of eruptive styles, such as widespread ...
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Journal of Volcanology and Geothermal Research, 2006
Cas RAF, GIORDANO, Guido
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Cas RAF, GIORDANO, Guido
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Phreatomagmatic explosions in subaqueous volcanism
2003Pyroclastic deposits, produced during subaqueous volcanic eruptions, point to the existence of explosive processes. Magma/water interaction is a possible source of these explosions. Under atmospheric pressure a thermohydraulic explosion mechanism was identified that can explain the high kinetic energy release of phreatomagmatic explosion and the ...
Bernd Zimanowski, Ralf Büttner
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Breccias related to explosive volcanism
Journal of Southeast Asian Earth Sciences, 1986Abstract Explosive breccia pipes were formed in the phreatomagmatic eruption of Taal volcano 60 km south of Manila, Philippines in September 1976. They were photographed in eruption which consisted of a series of small explosions occurring during the peak of activity at 10 sec intervals.
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Dynamical analysis of volcanic explosion
Journal of Geodynamics, 1985Abstract Visible phenomena accompanied by volcanic explosions at Sakurajima Volcano in Kyushu, Japan, were recorded by means of a TV camera and still cameras to make clear the process of explosive eruption of a Vulcanian type by image analysis and to enable a discussion of the process of explosive eruption. The most interesting phenomenon observed by
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An overview of explosive volcanism on Mars
Journal of Volcanology and Geothermal Research, 2021Petr Brož, Hannes Bernhardt, S J Conway
exaly