Search Results - "Sammis, C."

Acoustic emissions document stress changes over many seismic cycles in stick-slip experiments by W. Goebel, T. H., Schorlemmer, D., Becker, T. W., Dresen, G., Sammis, C. G.

“…The statistics of large earthquakes commonly involve large uncertainties due to the lack of long‐term, robust earthquake recordings. Small‐scale seismic events…”
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Identifying fault heterogeneity through mapping spatial anomalies in acoustic emission statistics by Goebel, T. H. W., Becker, T. W., Schorlemmer, D., Stanchits, S., Sammis, C., Rybacki, E., Dresen, G.

“…Seismicity clusters within fault zones can be connected to the structure, geometric complexity and size of asperities which perturb and intensify the stress…”
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Resolving Fine-Scale Heterogeneity of Co-seismic Slip and the Relation to Fault Structure by Milliner, C. W. D., Sammis, C., Allam, A. A., Dolan, J. F., Hollingsworth, J., Leprince, S., Ayoub, F.

“…Fault slip distributions provide important insight into the earthquake process. We analyze high-resolution along-strike co-seismic slip profiles of the 1992 M…”
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A Granular Jamming Model for Low‐Frequency Earthquakes by Sammis, C. G., Bostock, M. G.

“…A catalog of low frequency events (LFEs) beneath Vancouver Island is analyzed in the context of a granular flow model. The catalog contains origin‐times and…”
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Characterization of Fault Zones by Ben-Zion, Y., Sammis, C. G.

“…-- There are currently three major competing views on the essential geometrical, mechanical, and mathematical nature of faults. The standard view is that…”
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Evidence for self-similar, triangular slip distributions on earthquakes: Implications for earthquake and fault mechanics by Manighetti, I., Campillo, M., Sammis, C., Mai, P. M., King, G.

“…We characterize average slip distributions on earthquakes beyond their individual heterogeneity. For that, we analyze a large number of seismic slip…”
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The Micromechanics of Westerley Granite at Large Compressive Loads by Bhat, H. S., Sammis, C. G., Rosakis, A. J.

“…The micromechanical damage mechanics formulated by A shby and S ammis (Pure Appl Geophys 133(3) 489–521, 1990 ) has been shown to give an adequate description…”
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A Comparison of Seismicity Characteristics and Fault Structure Between Stick–Slip Experiments and Nature by Goebel, T. H. W., Sammis, C. G., Becker, T. W., Dresen, G., Schorlemmer, D.

“…Fault zones contain structural complexity on all scales. This complexity influences fault mechanics including the dynamics of large earthquakes as well as the…”
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An observational test of the critical earthquake concept by Bowman, D. D., Ouillon, G., Sammis, C. G., Sornette, A., Sornette, D.

“…We test the concept that seismicity prior to a large earthquake can be understood in terms of the statistical physics of a critical phase transition. In this…”
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Positive feedback, memory, and the predictability of earthquakes by Sammis, C G, Sornette, D

“…We review the “critical point” concept for large earthquakes and enlarge it in the framework of so-called “finite-time singularities.” The singular behavior…”
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The effect of asymmetric damage on dynamic shear rupture propagation II: With mismatch in bulk elasticity by Bhat, H.S., Biegel, R.L., Rosakis, A.J., Sammis, C.G.

“…We investigate asymmetric rupture propagation on an interface that combines a bulk elastic mismatch with a contrast in off-fault damage. Mode II ruptures…”
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The effect of asymmetric damage on dynamic shear rupture propagation I: No mismatch in bulk elasticity by Biegel, R.L., Bhat, H.S., Sammis, C.G., Rosakis, A.J.

“…High-speed digital photography was used to study rupture propagation on the interface between transparent damaged and undamaged photoelastic plates. Bilateral…”
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Seismic cycles and the evolution of stress correlation in cellular automaton models of finite fault networks by SAMMIS, C. G, SMITH, S. W

“…--A cellular automaton is used to study the relation between the structure of a regional fault network and the temporal and spatial patterns of regional…”
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The role of off-fault damage in the evolution of normal faults by Manighetti, Isabelle, King, Geoffrey, Sammis, Charles G.

“…Recent measurements of slip profiles on normal faults have found that they are usually triangular in shape. This has been explained to be a consequence of…”
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The damage mechanics of brittle solids in compression by ASHBY, M. F, SAMMIS, C. G

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Effects of Rock Damage on Seismic Waves Generated by Explosions by Johnson, L R, Sammis, C G

“…--In studying the physical processes involved in the generation of seismic waves by explosions, it is important to understand what happens in the region of…”
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An automaton for fractal patterns of fragmentation by Steacy, Sandra J, Sammis, Charles G

“…A micromechanical model for the formation of fractal patterns of fragmentation in fault zones is explored in two and three dimensions using computer automata…”
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Seismic event distributions and off-fault damage during frictional sliding of saw-cut surfaces with pre-defined roughness by Goebel, T. H. W., Candela, T., Sammis, C. G., Becker, T. W., Dresen, G., Schorlemmer, D.

“…The motion along upper crustal faults in response to tectonic loading is controlled by both loading stresses and surface properties, for example, roughness…”
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Off-fault damage and acoustic emission distributions during the evolution of structurally complex faults over series of stick-slip events by Goebel, T. H. W., Becker, T. W., Sammis, C. G., Dresen, G., Schorlemmer, D.

“…Variations in fault structure, for example, surface roughness and deformation zone width, influence the location and dynamics of large earthquakes as well as…”
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Revisiting the tidal activation of seismicity with a damage mechanics and friction point of view by SMITH, Stewart W, SAMMIS, Charles G

“…-- The Load Unload Response Ratio theory (LURR) puts forward the idea that the ratio of seismicity during times of increased tidal loading to times of…”
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