Articles

• Calculating the cohesion and internal friction angle of volcanic rocks and rock masses

  Marlène C. Villeneuve, Michael J. Heap

  279 - 293

  DOI: https://doi.org/10.30909/vol.04.02.279293

• Hybrid rhyolitic eruption at Big Glass Mountain, CA, USA

  Jonathan Castro, Sebastian C. Walter

  257 - 277

  DOI: https://doi.org/10.30909/vol.04.02.257277

• Thick crust, hydrous magmas, and the paradox of voluminous cold magmatism

  Cin-Ty Lee, Boda Liu

  227 - 238

  DOI: https://doi.org/10.30909/vol.04.02.227238

• Tracking secondary lahar flow paths and characterizing pulses and surges using infrasound array networks at Volcán de Fuego, Guatemala

  Ashley Bosa, Jeffrey B. Johnson, Silvio De Angelis, John J. Lyons, Amilcar Roca, Jacob F. Anderson, Armando Pineda

  239-256

  DOI: https://doi.org/10.30909/vol.04.02.239256

• Segment tip geometry of sheet intrusions, I: Theory and numerical models for the role of tip shape in controlling propagation pathways

  Richard Walker, Tara Stephens, Catherine Greenfield, Simon Gill, Dave Healy, Sam Poppe

  189 - 201

  DOI: https://doi.org/10.30909/vol.04.02.189201

• Segment tip geometry of sheet intrusions, II: Field observations of tip geometries and a model for evolving emplacement mechanisms

  Tara Stephens, Richard Walker, David Healy, Alodie Bubeck

  203 - 225

  DOI: https://doi.org/10.30909/vol.04.02.203225

• Insight into volcanic garnet: origin and significance of garnet as exemplified by a detailed petro-mineralogical study of the Breziny andesite (Central Slovakia Volcanic Field, Western Carpathians, Central Europe)

  Jacky Bouloton

  149 - 187

  DOI: https://doi.org/10.30909/vol.04.02.149187

• Permanent, seasonal, and episodic seismic sources around Vatnajökull, Iceland from the analysis of correlograms

  Sylvain Nowé, Thomas Lecocq, Corentin Caudron , Kristín Jónsdóttir, Frank Pattyn

  135 - 147

  DOI: https://doi.org/10.30909/vol.04.02.135147

• Conduit system, degassing, and flow dynamics of a rhyolite lava: A case study of the Shiroyama lava on Himeshima Island, Japan

  Kuniyuki Furukawa, Koji Uno, Yu Horiuchi, Shintaro Murohashi, Motohiro Tsuboi

  107 - 134

  DOI: https://doi.org/10.30909/vol.04.02.107134

• Characterising vent and crater shape changes at Stromboli: implications for risk areas

  Markus Schmid, Ulrich Kueppers, Riccardo Civico, Tullio Ricci, Jacopo Taddeucci, Donald B. Dingwell

  87--105

  DOI: https://doi.org/10.30909/vol.04.01.87105

• Evaluating the applicability of a screen diffraction approximation to local volcano infrasound

  Sean Maher, Robin Matoza, Catherine de Groot-Hedlin, Keehoon Kim, Kent Gee

  67 - 85

  DOI: https://doi.org/10.30909/vol.04.01.6785

• The influence of regional stress and structural control on the shape of maar craters

  Cody Nichols, Alison Graettinger

  23-39

  DOI: https://doi.org/10.30909/vol.04.01.2339

• Petrophysical characterisation of volcanic ejecta to constrain subsurface lithological heterogeneities: implications for edifice stability at basaltic volcanoes

  Andrea Di Muro, Fabian Schwarzlmueller, Ulrich Kueppers, Michael Heap, Donald Dingwell

  41-66

  DOI: https://doi.org/10.30909/vol.04.01.4166

• Fault inversion contributes to ground deformation above inflating igneous sills

  James Norcliffe, Craig Magee, Christopher Jackson, Jonas Kopping, Bailey Lathrop

  1-21

  DOI: https://doi.org/10.30909/vol.04.01.0121

• Experimental constraints on volcanic ash generation and clast morphometrics in pyroclastic density currents and granular flows

  Adrian Hornby, Ulrich Kueppers, Benedikt Maurer, Carina Poetsch, Donald Dingwell

  263-283

  DOI: https://doi.org/10.30909/vol.03.02.263283

• Modeling source parameters of quasi-periodic tremor

  Julian Traphagan, Jonathan Lees

  251-262

  DOI: https://doi.org/10.30909/vol.03.02.251262

• Evidence of explosive hydromagmatic eruptions during the emplacement of the North Atlantic Igneous Province

  Ella Wulfsberg Stokke, Emma J. Liu, Morgan T Jones

  227-250

  DOI: https://doi.org/10.30909/vol.03.02.227250

• Fireside tales: understanding experiences of previous eruptions and factors influencing the decision to evacuate from activity of Volcán de Fuego

  Ailsa Naismith, M. Teresa Armijos, Edgar Antonio Barrios Escobar, William Chigna, I. Matthew Watson

  205-226

  DOI: https://doi.org/10.30909/vol.03.02.205226

• Volcanic ballistic projectile deposition from a continuously erupting volcano: Yasur Volcano, Vanuatu

  Rebecca Hanna Fitzgerald, Ben M Kennedy, Christopher Gomez, Thomas M Wilson, Benjamin Simons, Graham S Leonard, Robin S Matoza, Arthur D Jolly, Esline Garaebiti

  183-204

  DOI: https://doi.org/10.30909/vol.03.02.183204

• Syn-eruptive agglutination of kimberlite volcanic ash

  David Haddock, Shukrani Manya, Richard James Brown, Thomas Jones, Fabian Wadsworth, Kate Dobson, Thomas Gernon

  169-182

  DOI: https://doi.org/10.30909/vol.03.01.169182

• VolcDeGas: A program for modelling hydrogen isotope fractionation during degassing of rhyolitic melts

  Sebastian Walter, Jonathan Castro

  155-168

  DOI: https://doi.org/10.30909/vol.03.01.155168

• Deep and disturbed: conditions for formation and eruption of a mingled rhyolite at Ascension Island, south Atlantic

  Katy Jane Chamberlain, Jenni Barclay, Katie Preece, Richard Brown, Iona McIntosh, EIMF

  139-153

  DOI: https://doi.org/10.30909/vol.03.01.139153

• Holocene volcanism at the Quetrupillán Volcanic Complex (39°30’ S, 71°43’ W), southern Chile

  Isla C. Simmons, Dave McGarvie, Joaquín A. Cortés, Eliza S. Calder, Andrés Pavez

  115-137

  DOI: https://doi.org/10.30909/vol.03.01.115137

• The 2007 caldera collapse at Piton de la Fournaise: new insights from multi-temporal structure-from-motion

  Allan Derrien, Aline Peltier, Nicolas Villeneuve, Thomas Staudacher

  55-65

  DOI: https://doi.org/10.30909/vol.03.01.5565

• Investigating potential icequakes at Llaima volcano, Chile

  Oliver D. Lamb, Jonathan M. Lees, Luis Franco Marin, Jonathan Lazo, Andrés Rivera, Michael J. Shore, Stephen J. Lee

  29-42

  DOI: https://doi.org/10.30909/vol.03.01.2942

• The Rheology of Crystallizing basaltic lavas from Nyiragongo and Nyamuragira volcanoes, D.R.C.

  Aaron Andrew Morrison, Alan Whittington, Benoît Smets, Matthieu Kervyn, Alexander Sehlke

  1-28

  DOI: https://doi.org/10.30909/vol.03.01.0128

• Subsurface structure of St. Elmo submarine volcanic mound (Austin, Texas) and its volcanic conduits imaged using geophysical methods

  Mustafa Saribudak

  253-268

  DOI: https://doi.org/10.30909/vol.02.02.253268

• Degassing at Sabancaya volcano measured by UV cameras and the NOVAC network

  Tehnuka Ilanko, Thomas D Pering, Thomas C Wilkes, Fredy Erlington Apaza Choquehuayta, Christoph Kern, Alejandro Diaz Moreno, Silvio De Angelis, Susana Layana, Felipe Rojas, Felipe Aguilera, Freddy Vasconez, Andrew J.S. McGonigle

  239 - 252

  DOI: https://doi.org/10.30909/vol.02.02.239252

• Degassing-induced chemical heterogeneity at the 2011-2012 Cordón Caulle eruption

  Rebecca Paisley, Kim Berlo, Jack Whattam, C. Ian Schipper, Hugh Tuffen

  211-237

  DOI: https://doi.org/10.30909/vol.02.02.211237

• The eruption of Timor in 1638: 350 years of plagiarism, embellishments and misunderstandings

  Russell James Blong

  191-210

  DOI: https://doi.org/10.30909/vol.02.02.191210