Search Results - "Rivalta, E."

A review of mechanical models of dike propagation: Schools of thought, results and future directions by Rivalta, E., Taisne, B., Bunger, A.P., Katz, R.F.

“…Magma transport in brittle rock occurs by diking. Understanding the dynamics of diking and its observable consequences is essential to deciphering magma…”
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A quantitative study of the mechanisms governing dike propagation, dike arrest and sill formation by Maccaferri, F., Bonafede, M., Rivalta, E.

“…Dikes and sills are the moving building blocks of the plumbing system of volcanoes and play a fundamental role in the accretionary processes of the crust. They…”
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Lithospheric Sill Intrusions and Present‐Day Ground Deformation at Rhenish Massif, Central Europe by Silverii, F., Mantiloni, L., Rivalta, E., Dahm, T.

“…The Rhenish Massif in Central Europe, which includes the Eifel Volcanic Fields, has shown ongoing ground deformation and signs of possible unrest. A buoyant…”
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How caldera collapse shapes the shallow emplacement and transfer of magma in active volcanoes by Corbi, F., Rivalta, E., Pinel, V., Maccaferri, F., Bagnardi, M., Acocella, V.

“…Calderas are topographic depressions formed by the collapse of a partly drained magma reservoir. At volcanic edifices with calderas, eruptive fissures can…”
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How the differential load induced by normal fault scarps controls the distribution of monogenic volcanism by Maccaferri, F., Acocella, V., Rivalta, E.

“…Understanding shallow magma transfer and the related vent distribution is crucial for volcanic hazard. Here we investigate how the stress induced by…”
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Propagation and arrest of dikes under topography: Models applied to the 2014 Bardarbunga (Iceland) rifting event by Urbani, S., Acocella, V., Rivalta, E., Corbi, F.

“…Dikes along rift zones propagate laterally downslope for tens of kilometers, often becoming arrested before topographic reliefs. We use analogue and numerical…”
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Stress Inversion in a Gelatin Box: Testing Eruptive Vent Location Forecasts With Analog Models by Mantiloni, L., Davis, T., Gaete Rojas, A. B., Rivalta, E.

“…Assessing volcanic hazard in regions of distributed volcanism is challenging because of the uncertain location of future vents. A statistical‐mechanical…”
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On the mechanisms governing dike arrest: Insight from the 2000 Miyakejima dike injection by Maccaferri, F., Rivalta, E., Passarelli, L., Aoki, Y.

“…Magma stored beneath volcanoes is sometimes transported out of the magma chambers by means of laterally propagating dikes, which can lead to fissure eruptions…”
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Insights Into Fault‐Magma Interactions in an Early‐Stage Continental Rift From Source Mechanisms and Correlated Volcano‐Tectonic Earthquakes by Oliva, S. J., Ebinger, C. J., Wauthier, C., Muirhead, J. D., Roecker, S. W., Rivalta, E., Heimann, S.

“…Strain in magmatic rifts is accommodated by both faulting and dike intrusion, but little is known of the frequency of dike intrusions in early‐stage rifts. We…”
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Mechanical Modeling of Pre‐Eruptive Magma Propagation Scenarios at Calderas by Mantiloni, L., Rivalta, E., Davis, T.

“…Simulating magma propagation pathways requires both a well‐calibrated model for the stress state of the volcano and models for dike advance within such a…”
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Characterizing the physical properties of gelatin, a classic analog for the brittle elastic crust, insight from numerical modeling by Smittarello, D., Pinel, V., Maccaferri, F., Furst, S., Rivalta, E., Cayol, V.

“…Precise characterization of the mechanical properties of gelatin, a classic analog of the elastic crust, is necessary for scaling the mechanical models of the…”
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A numerical model of dyke propagation in layered elastic media by Maccaferri, F., Bonafede, M., Rivalta, E.

“…We develop a mathematical model describing dyke propagation in proximity of an elastic discontinuity of the embedding medium. The dyke is modelled as a…”
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Stress inversions to forecast magma pathways and eruptive vent location by Rivalta, E, Corbi, F, Passarelli, L, Acocella, V, Davis, T, Di Vito, M A

“…When a batch of magma reaches Earth's surface, it forms a vent from which volcanic products are erupted. At many volcanoes, successive batches may open vents…”
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The stress shadow induced by the 1975-1984 Krafla rifting episode by Maccaferri, F., Rivalta, E., Passarelli, L., Jónsson, S.

“…It has been posited that the 1975–1984 Krafla rifting episode in northern Iceland was responsible for a significant drop in the rate of earthquakes along the…”
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Dike intrusions during rifting episodes obey scaling relationships similar to earthquakes by Passarelli, L, Rivalta, E, Shuler, A

“…As continental rifts evolve towards mid-ocean ridges, strain is accommodated by repeated episodes of faulting and magmatism. Discrete rifting episodes have…”
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Physics‐Based Forecasts of Eruptive Vent Locations at Calderas by Mantiloni, L., Rivalta, E., Anderson, K. R., Davis, T., Passarelli, L.

“…Constraining stresses in the Earth's crust in volcanic regions is critical for understanding many mechanical processes related to eruptive activity. Dike…”
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What Drives the Lateral Versus Vertical Propagation of Dikes? Insights From Analogue Models by Urbani, S., Acocella, V., Rivalta, E.

“…Volcanic eruptions are usually fed by dikes. Understanding how crustal inhomogeneities and topographic loads control the direction (lateral/vertical) and…”
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A two‐step model for dynamical dike propagation in two dimensions: Application to the July 2001 Etna eruption by Pinel, V., Carrara, A., Maccaferri, F., Rivalta, E., Corbi, F.

“…We developed a hybrid numerical model of dike propagation in two dimensions solving both for the magma trajectory and velocity as a function of the source…”
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Experiments of dike-induced deformation: Insights on the long-term evolution of divergent plate boundaries by Trippanera, D., Ruch, J., Acocella, V., Rivalta, E.

“…The shallow transport of magma occurs through dikes causing surface deformation. Our understanding of the effects of diking at the surface is limited,…”
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Lava effusion — A slow fuse for paroxysms at Stromboli volcano? by Calvari, S., Spampinato, L., Bonaccorso, A., Oppenheimer, C., Rivalta, E., Boschi, E.

“…The 2007 effusive eruption of Stromboli followed a similar pattern to the previous 2002–2003 episode. In both cases, magma ascent led to breaching of the…”
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