Maars to calderas. End-members on a spectrum of explosive volcanic depressions [PDF]
, 2015 We discuss maar-diatremes and calderas as end-members on a spectrum of negative volcanic landforms (depressions) produced by explosive eruptions (note—we focus on calderas formed during explosive eruptions, recognizing that some caldera types are not ...
Palladino, Danilo Mauro +3 more
core +1 more source
Charge structure in volcanic plumes: a comparison of plume properties predicted by an integral plume model to observations of volcanic lightning during the 2010 eruption of Eyjafjallajökull, Iceland [PDF]
, 2014 Cancer is a heterogeneous disease with different combinations of genetic alterations driving its development in different individuals. We introduce CoMEt, an algorithm to identify combinations of alterations that exhibit a pattern of mutual exclusivity ...
AJ Bass +7 more
core +8 more sources
Radiative and climate impacts of a large volcanic eruption during stratospheric sulfur geoengineering [PDF]
Atmospheric Chemistry and Physics, 2016 Both explosive volcanic eruptions, which emit sulfur dioxide into the stratosphere, and stratospheric geoengineering via sulfur injections can potentially cool the climate by increasing the amount of scattering particles in the atmosphere. Here we employ
A. Laakso +9 more
doaj +1 more source
Explosion depths for phreatomagmatic eruptions [PDF]
Geophysical Research Letters, 2014 Subsurface phreatomagmatic explosions can result from the interaction of ascending magma with groundwater. Experiments over a wide range of energies show that for a given energy there is a depth below which an explosion will be contained within the subsurface (not erupt), and there is a corresponding shallower depth that will optimize ejecta dispersal.
Greg A. Valentine +2 more
openaire +1 more source
An analytical model for gas overpressure in slug-driven explosions:insights into Strombolian volcanic eruptions [PDF]
, 2012 Strombolian eruptions, common at basaltic volcanoes, are mildly explosive events that are driven by a large bubble of magmatic gas (a slug) rising up the conduit and bursting at the surface.
Del Bello, Elisabetta +4 more
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Laboratory studies on electrical effects during volcanic eruptions
Annals of Geophysics, 1999 This laboratory study reports on electrical phenomena during the explosive eruption of a basaltoid silicate melt. Contact electricity is produced in the phase of thermo-hydraulic fracturing of magma during the explosive interaction with water.
R. Büttner, B. Zimanowski, H. Röder
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Geochemistry, Geophysics, Geosystems, 2023 Alaska contains over 130 volcanoes and volcanic fields that have been active within the last 2 million years. Of these, roughly 90 have erupted during the Holocene, with many characterized by at least one large explosive eruption.
Jordan Lubbers +4 more
doaj +1 more source
Explosive-effusive volcanic eruption transitions caused by sintering
Science Advances, 2020 Explosive volcanic eruptions become effusive, or end, when the vent becomes plugged with sintered pyroclastic material. Silicic volcanic activity has long been framed as either violently explosive or gently effusive.
F. Wadsworth +4 more
semanticscholar +1 more source
Deep Sea Explosive Eruptions may be not so Different from Subaerial Eruptions [PDF]
Goldschmidt Abstracts, 2020 AbstractThe dynamics of deep sea explosive eruptions, the dispersion of the pyroclasts, and how submarine eruptions differ from the subaerial ones are still poorly known due to the limited access to sea environments. Here, we analyze two ash layers representative of the proximal and distal deposits of two submarine eruptions from a 500 to 800 m deep ...
Iezzi Gianluca +8 more
openaire +5 more sources
Evidence of mid- to late-Holocene explosive rhyolitic eruptions from Chaitén Volcano, Chile
Andean Geology, 2013 The 2008 eruption of Chaitén Volcano was widely cited as the first activity at the volcano for over 9000 years. However, we have identified evidence from proximal pyroclastic deposits for three additional explosive eruptions of Chaitén within the past ...
Sebastian F.L. Watt +2 more
doaj +1 more source