Search Results - "VINCIGUERRA, S"

Characterization of nucleation during laboratory earthquakes by Latour, S., Schubnel, A., Nielsen, S., Madariaga, R., Vinciguerra, S.

“…We observe the nucleation phase of in‐plane ruptures in the laboratory. We show that the nucleation is composed of two distinct phases, a quasi‐static and an…”
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Influence of thermal and mechanical cracks on permeability and elastic wave velocities in a basalt from Mt. Etna volcano subjected to elevated pressure by Fortin, J., Stanchits, S., Vinciguerra, S., Guéguen, Y.

“…We report simultaneous laboratory measurements of seismic velocities and fluid permeability on lava flow basalt from Etna (Italy). Results were obtained for…”
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Experimental observation of stick-slip instability fronts by Nielsen, S., Taddeucci, J., Vinciguerra, S.

“…Stick-slip dynamic instability is a key mechanism governing frictional processes from microscale physics to earthquake faults and landslides; yet challenging…”
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Brittle creep in basalt and its application to time-dependent volcano deformation by Heap, M.J., Baud, P., Meredith, P.G., Vinciguerra, S., Bell, A.F., Main, I.G.

“…Time-dependent brittle deformation is a fundamental and pervasive process operating in the Earth's upper crust. Its characterization is a pre-requisite to…”
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Sensitivity of Acoustic Emission Triggering to Small Pore Pressure Cycling Perturbations During Brittle Creep by Chanard, K., Nicolas, A., Hatano, T., Petrelis, F., Latour, S., Vinciguerra, S., Schubnel, A.

“…Fluid‐induced stress perturbations in the crust at seismogenic depths caused by sources such as tidal or seasonal loading may trigger earthquakes. We…”
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The evolution of elastic moduli with increasing crack damage during cyclic stressing of a basalt from Mt. Etna volcano by Heap, M.J., Vinciguerra, S., Meredith, P.G.

“…Volcanic edifices, such as Mt. Etna (Italy), are commonly subject to repeated cycles of stress over time due to the combination of magma emplacement from deep…”
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Elastic moduli evolution and accompanying stress changes with increasing crack damage: implications for stress changes around fault zones and volcanoes during deformation by Heap, M. J., Faulkner, D. R., Meredith, P. G., Vinciguerra, S.

“…The elastic moduli of rock in areas susceptible to crack damage, such as within fault zones or volcanic edifices, can be subject to large modifications…”
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Linking permeability to crack density evolution in thermally stressed rocks under cyclic loading by Faoro, I., Vinciguerra, S., Marone, C., Elsworth, D., Schubnel, A.

“…To improve our understanding of the complex coupling between circulating fluids and the development of crack damage, we performed flow‐through tests on samples…”
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Temperature-driven micro-fracturing in granite: The interplay between microstructure, mineralogy and tensile strength by Alcock, T., Bullen, D., Benson, P.M., Vinciguerra, S.

“…High temperatures exert a significant influence on the mechanical and fluid flow properties of rocks and minerals. In crystalline rocks, differential thermal…”
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saprEMo: a simplified algorithm for predicting detections of electromagnetic transients in surveys by Vinciguerra, S, Branchesi, M, Ciolfi, R, Mandel, I, Neijssel, C J, Stratta, G

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Folded fabric tunes rock deformation and failure mode in the upper crust by Agliardi, F., Dobbs, M. R., Zanchetta, S., Vinciguerra, S.

“…The micro-mechanisms of brittle failure affect the bulk mechanical behaviour and permeability of crustal rocks. In low-porosity crystalline rocks, these…”
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Evolution of the elastic moduli of seismogenic Triassic Evaporites subjected to cyclic stressing by Trippetta, F., Collettini, C., Meredith, P.G., Vinciguerra, S.

“…Seismic cycles lead to variations in rock physical properties. Quantifying these changes is of key importance in building reliable crustal deformation models…”
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Integration of ambient seismic noise monitoring, displacement and meteorological measurements to infer the temperature-controlled long-term evolution of a complex prone-to-fall cliff by Colombero, C, Baillet, L, Comina, C, Jongmans, D, Larose, E, Valentin, J, Vinciguerra, S

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Thermal weakening of the carbonate basement under Mt. Etna volcano (Italy): Implications for volcano instability by Heap, M.J., Mollo, S., Vinciguerra, S., Lavallée, Y., Hess, K.-U., Dingwell, D.B., Baud, P., Iezzi, G.

“…The physical integrity of a sub-volcanic basement is crucial in controlling the stability of a volcanic edifice. For many volcanoes, this basement can comprise…”
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Laboratory measurements of the physical properties of Triassic Evaporites from Central Italy and correlation with geophysical data by Trippetta, F., Collettini, C., Vinciguerra, S., Meredith, P.G.

“…The Triassic Evaporites (TE) of the Umbria–Marche Apennines, a sedimentary succession made up of a sequence of alternating sulphates (anhydrites and gypsum)…”
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Stress, strain and mass changes at Mt. Etna during the period between the 1991–93 and 2001 flank eruptions by Carbone, Daniele, Aloisi, M., Vinciguerra, S., Puglisi, G.

“…During the ~8-year period between the 1991–93 and 2001 flank eruptions, the eruptive activity of Mt. Etna was confined to the summit craters. Deformation and…”
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Compaction and Failure in High Porosity Carbonates: Mechanical Data and Microstructural Observations by Baud, P., Vinciguerra, S., David, C., Cavallo, A., Walker, E., Reuschlé, T.

“…We investigated systematically the micromechanics of compaction in two carbonates of porosity above 30%, Majella grainstone and Saint Maximin limestone. The…”
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The permeability and elastic moduli of tuff from Campi Flegrei, Italy: implications for ground deformation modelling by Heap, M. J, Baud, P, Meredith, P. G, Vinciguerra, S, Reuschlé, T

“…The accuracy of ground deformation modelling at active volcanoes is a principal requirement in volcanic hazard mitigation. However, the reliability of such…”
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Thermal Damage and Pore Pressure Effects of the Brittle‐Ductile Transition in Comiso Limestone by Castagna, A., Ougier‐Simonin, A., Benson, P. M., Browning, J., Walker, R. J., Fazio, M., Vinciguerra, S.

“…Volcanic edifices are commonly unstable, with magmatic and non‐magmatic fluid circulation, and elevated temperature gradients having influence on the…”
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Microseismicity of an Unstable Rock Mass: From Field Monitoring to Laboratory Testing by Colombero, C., Comina, C., Vinciguerra, S., Benson, P. M.

“…The field‐scale microseismic (MS) activity of an unstable rock mass is known to be an important tool to assess damage and cracking processes eventually leading…”
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