The mechanical behaviour and failure modes of volcanic rocks: a review

MJ Heap, MES Violay - Bulletin of Volcanology, 2021 - Springer
The microstructure and mineralogy of volcanic rocks is varied and complex, and their
mechanical behaviour is similarly varied and complex. This review summarises recent …

[HTML][HTML] Monitoring volcano slope instability with Synthetic Aperture Radar: A review and new data from Pacaya (Guatemala) and Stromboli (Italy) volcanoes

LN Schaefer, F Di Traglia, E Chaussard, Z Lu… - Earth-science …, 2019 - Elsevier
Volcano slope instability manifests in many forms, ranging from steady state to punctuated
movement, or shallow erosion to deep-seated spreading. The interplay of gravity, magmatic …

Towards more realistic values of elastic moduli for volcano modelling

MJ Heap, M Villeneuve, F Albino… - Journal of volcanology …, 2020 - Elsevier
The accuracy of elastic analytical solutions and numerical models, widely used in
volcanology to interpret surface ground deformation, depends heavily on the Young's …

Geomechanical rock properties of a basaltic volcano

LN Schaefer, JE Kendrick, T Oommen… - Frontiers in Earth …, 2015 - frontiersin.org
In volcanic regions, reliable estimates of mechanical properties for specific volcanic events
such as cyclic inflation-deflation cycles by magmatic intrusions, thermal stressing, and high …

Quantifying the physical and mechanical heterogeneity of porous volcanic rocks from the Chaîne des Puys (Massif Central, France)

E Vairé, MJ Heap, P Baud, B van Wyk de Vries - Bulletin of Volcanology, 2024 - Springer
Volcanic structures are inhomogeneous on a number of scales. Quantifying whether such
inhomogeneities result in a physical and mechanical anisotropy is important to improve …

Estimating in situ rock mass strength and elastic modulus of granite from the Soultz-sous-Forêts geothermal reservoir (France)

MC Villeneuve, MJ Heap, ARL Kushnir, T Qin… - Geothermal …, 2018 - Springer
Abstract Knowledge of the strength and elastic modulus of a reservoir rock is important for
the optimisation of a particular geothermal resource. The reservoir rock for many geothermal …

Making rose diagrams fit-for-purpose

DJ Sanderson, DCP Peacock - Earth-Science Reviews, 2020 - Elsevier
Rose diagrams are powerful tools for visually representing two-dimensional orientation (and
other cyclic) data. The conventional practice of scaling the wedge radius to frequency leads …

Volcanic lateral collapse processes in mafic arc edifices: a review of their driving processes, types and consequences

JE Romero, M Polacci, S Watt, S Kitamura… - Frontiers in Earth …, 2021 - frontiersin.org
Volcanic cones are frequently near their gravitational stability limit, which can lead to lateral
collapse of the edifice, causing extensive environmental impact, property damage, and loss …

Modeling of partial dome collapse of La Soufrière of Guadeloupe volcano: implications for hazard assessment and monitoring

M Peruzzetto, JC Komorowski, A Le Friant… - Scientific Reports, 2019 - nature.com
Abstract Over the past 9,150 years, at least 9 flank collapses have been identified in the
history of La Soufrière of Guadeloupe volcano. On account of the volcano's current unrest …