Results 11 to 20 of about 579,075 (212)

Ardnamurchan 3D cone-sheet architecture explained by a single elongate magma chamber. [PDF]

open access: yesSci Rep, 2013
The Palaeogene Ardnamurchan central igneous complex, NW Scotland, was a defining place for the development of the classic concepts of cone-sheet and ring-dyke emplacement and has thus fundamentally influenced our thinking on subvolcanic structures.
Burchardt S   +4 more
europepmc   +2 more sources

Seismic Imaging of a Magma Chamber and Melt Recharge of the Dormant Datong Volcanoes [PDF]

open access: goldEarth and Space Science, 2021
The Datong volcanoes erupted episodically from ca. 0.74 to ca 0.10 Ma with the last eruption at ca. 100 ka, and ever since has remained dormant. It remains elusive whether the Datong volcanoes are being recharged and would become active again in the near
Lipeng He   +4 more
doaj   +2 more sources

On the Mechanical Effects of Poroelastic Crystal Mush in Classical Magma Chamber Models [PDF]

open access: bronzeJournal of Geophysical Research: Solid Earth, 2018
Improved constraints on the mechanical behavior of magma chambers is essential for understanding volcanic processes; however, the role of crystal mush on the mechanical evolution of magma chambers has not yet been systematically studied.
Yang Liao, S. A. Soule, Max P. Jones
openalex   +2 more sources

Magnetotelluric evidence for the deep causes of different eruptive styles of Changbaishan Tianchi and Longgang volcanoes [PDF]

open access: yesScientific Reports
Longgang Volcano (LGV) and Changbaishan Tianchi Volcano (CTV) share a common magmatic source at mantle depths. However, the two volcanoes have produced completely different types of eruptions.
Lingqiang Zhao   +8 more
doaj   +2 more sources

Magma chamber failure and dyke injection threshold for magma-driven unrest at Campi Flegrei caldera [PDF]

open access: yesNature Communications
In this work, we reconstruct the geometry and magma properties of the dyke that fed the Nisida eruption (~3.9 ka), located across the rim of the Campi Flegrei caldera (Italy). Results indicate that the magmatic overpressure was ~35 MPa, the dyke depth of
Jacopo Natale, Stefano Vitale
doaj   +2 more sources

Shallow magma chamber under the Wudalianchi Volcanic Field unveiled by seismic imaging with dense array

open access: yesGeophysical Research Letters, 2016
The Wudalianchi Volcano Field (WDF) is a typical intraplate volcano in northeast China with generation mechanism not yet well understood. As its last eruption was around 300 years ago, the present risk for volcano eruption is of particular public ...
Zhiwei Li   +6 more
doaj   +2 more sources

Diagnosing open-system magmatic processes using the Magma Chamber Simulator (MCS): part I—major elements and phase equilibria

open access: greenContributions to Mineralogy and Petrology, 2020
Wendy A. Bohrson   +8 more
openalex   +3 more sources

The shallow magma chamber of Stromboli Volcano (Italy)

open access: yesGeophysical Research Letters, 2017
In this work, we integrate artificial and natural seismic sources data to obtain high‐resolution images of the shallow inner structure of Stromboli Volcano. Overall, we used a total of 21,953 P readings from an active seismic experiment and an additional
D. Patanè   +8 more
doaj   +2 more sources

Numerical modeling predicts seismic resonances in the magma chamber-conduit system due to wavefield capturing

open access: goldVolcanica
This study utilizes 3D numerical models to simulate seismic resonances in a volcanic edifice, arising from the interaction between an externally excited wavefield and a magma chamber-conduit system.
Fabian Limberger, Georg Rümpker
doaj   +2 more sources

Geodetic monitoring of the Changbaishan volcano activity and its relationship with earthquakes, 1999–2017

open access: yesGeodesy and Geodynamics, 2021
The major earthquakes often trigger unrest of surrounding volcanic magma chambers. In recent years, three major earthquakes occurred around the Changbaishan volcano, but it was unclear whether these earthquakes triggered the unrest of the magma chamber ...
Dongzhen Wang   +4 more
doaj   +1 more source

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