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562 results for “Fault”
Data for "Why induced earthquakes occur on conventionally stable faults: frictional healing explains"
<p>This is the data used in "Why induced earthquakes occur on conventionally stable faults: frictional healing explains". The paper is currently under review. See README.txt for more information.</p>
Supplemental material for: Automatic Debugging of Design Faults in MapReduce applications
<p>This is the supplemental material of the paper titled as “Automatic Debugging of Design Faults in MapReduce applications” published in IEEE Transactions on Software Engineering. <a href="https://doi.org/10.1109/TSE.2024.3369766" target="_blank" rel="noopener">Link</a></p> <p> </p> <p>It contains both the test cases used in the evaluation and the statistical analysis to reproduce the experiments. The supplemental material contains the following files:</p> <ul> <li>1_testCases.zip: all test cases randomly generated for the experiments. The description of the test cases is in ./1_testCases/README.txt</li> <li>2_executionTestCases.zip: the aggregated data obtained after the execution of the test cases in the debugging techniques: fault localization technique (MRDebug-FL), input reduction technique (MRDebug-IR) and the combination of both techniques (MRDebug-IR-FL). The folder contains csv with the results the experimentation unit, and they are detailed in the ./2_executionTestCases/README.pdf file.</li> <li>3_notebook.zip: jupyter notebook that contains the analysis done in the experiments. This notebook allows the interactive execution of statistical test and plots. The instructions to install the notebook are in the file 3_notebook.zip/installation.txt.</li> </ul> <p> </p> <p>To cite this work: </p> <p>J. Morán, A. Bertolino, C. de la Riva and J. Tuya, "Automatic Debugging of Design Faults in MapReduce Applications," in <em>IEEE Transactions on Software Engineering</em>, vol. 50, no. 4, pp. 956-978, April 2024, doi: 10.1109/TSE.2024.3369766</p>
Data Set for Sandanbata & Saito (submitted to JGR: Solid Earth) entitled "Quantifying magma overpressure beneath a submarine caldera: A mechanical modeling approach to tsunamigenic trapdoor faulting near Kita-Ioto Island, Japan"
<p><strong>Descriptions</strong></p> <p>This dataset contains supplementary materials for the manuscript submitted to Journal of Geophysical Research: Solid Earth; the preprint has been uploaded to ESS Open Archive:</p> <ul> <li>Osamu Sandanbata, and Tatsuhiko Saito, Quantifying magma overpressure beneath a submarine caldera:<br> A mechanical modeling approach to tsunamigenic trapdoor faulting near Kita-Ioto Island, Japan.</li> </ul> <p>We present a mechanical source model for the 2008 Kita-Ioto caldera earthquake. </p>
Rupture Jumping and Seismic Complexity in Models of Earthquake Cycles for Fault Stepovers with Off-Fault Plasticity
<p>Fault stepovers are prime examples of geometric complexity in natural fault zones which may affect seismic hazard by determining whether an earthquake rupture continues propagating, or abruptly stops. However, the long-term pattern of seismicity near fault stepovers and underlying mechanisms of rupture jumping in the context of earthquake cycles are rarely studied. Leveraging a hybrid numerical scheme combining the finite element and the spectral boundary integral methods, FEBE, we carry out fully dynamic simulations of Sequences of Earthquakes and Aseismic Slip (SEAS) for both compressive and tensile stepovers, with off-fault plasticity. We consider a rate-and-state friction law for the fault friction, and pressure sensitive Drucker-Prager plasticity for the off-fault bulk response. We observe that the accumulation of plastic deformation, an indication of off-fault damage, is significantly different in the two cases with more plastic deformation projected in the overlapping region for the tensile stepover. The seismic pattern for a tensile stepover is more complex than for a compressive stepover, and incorporating plasticity also increases complexity, relative to the elastic case. A tensile stepover with off-fault plasticity shows rupture segmentation, temporal clustering, and frequent rupture jumping from one fault to another. These results shed light on possible mechanisms of rupture jumping in fault stepovers as well as the long-term evolution of the fault zone.</p>
Lithospheric structure controls the spatially intermittent detachment faulting at the Longqi segment on the Southwest Indian Ridge
<p>Source code for the paper "Lithospheric structure controls the spatially intermittent detachment faulting at the Longqi segment on the Southwest Indian Ridge"</p>
Lithospheric structure controls the sequentially active spatially intermittent detachment faulting at the Longqi segment on the Southwest Indian Ridge
<p>dataset for "<strong>Lithospheric structure controls the sequentially active spatially intermittent detachment faulting at the Longqi segment on the Southwest Indian Ridge</strong>"</p>
Comparison of Dry Needling and Dry Cupping in Positional Fault of Pelvis
ClinicalTrials.gov study NCT04719689. IPD Sharing: NO. Countries: 1. Publications: 4.
LAMMPS simulations scripts for the manuscript "A granular-physics-based view of fault friction experiments"
Open the record for dataset details and reuse information.
Data from: The design of an intelligent fault-tolerant control for floating offshore wind turbine with blade faults
Open the record for dataset details and reuse information.
Data from: Role of backbone fault system on earthquake spawning and geohazards in the Seoul metropolitan area
Open the record for dataset details and reuse information.
Cohabitation of slow and moderate-sized earthquakes in blueschist-facies linked to fault microstructure and rheology
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Fault asperities and the transition from aseismic creep to stick-slip: implications for earthquake precursors
Open the record for dataset details and reuse information.
Segmented Thrust Faulting: Example from the Northeastern Margin of the Tibetan Plateau
<p>If more information is needed, please contact me by email: skatetangshan@vip.126.com.</p>
Tidal walking on Europa's strike slip faults - insight from numerical modeling (data)
<p>Dataset for article submitted to JGR Planets.</p>
Carbon and oxygen isotope values of bulk carbonates for Castellas Fault zone and D19 fault zones, La Fare anticline (SE France).
<p>Carbon and oxygen isotope values of bulk carbonates for Castellas Fault zone and D19 fault zones, La Fare anticline (SE France).</p> <p><strong>B</strong>: bulk measurement; <strong>M</strong>: micrite value; <strong>C1, C3, C4,</strong> and <strong>C5</strong>: cement isotopic value; <strong>FR</strong>: fault rock isotopic value.</p> <p> </p> <p>To determine stable carbon and oxygen isotopes (<sup>13</sup>C and <sup>18</sup>O), 204 microsamples (< 5 mg) were drilled, 194 of them were micro-drilled from polished thin sections with an 80 μm diameter micro-sampler (Merkantec Micromill) at VU 15 Amsterdam (the Netherlands). We micro-sampled bulk rocks (57), sparitic cements (101), fault rocks (9) and micrite (27). The bulk rock values are related to a nonselective sampling giving information on the whole-rock isotopic values. These values do not capture the signature of isolated cement (Swart, 2015). Carbon and oxygen isotopic values were acquired with Thermo Finnigan DeltaCmass spectrometer equipped with a GasBench preparation device at VU Amsterdam. The internationally used standard IAEA-603, with official values of +2.46‰for <sup>13</sup>C and -2:37‰for <sup>18</sup>O, is 25 measured as a control standard. The standard deviation (SD) of the measurements is, respectively, < 0:1‰ and < 0:2‰ for <sup>13</sup>C and <sup>18</sup>O. Ten whole-rock samples were analyzed using a GasBench II connected to a Thermo Fisher Delta V Plus mass spectrometer at the FAU University (Erlangen, 30 Germany). Measurements were calibrated by assigning <sup>13</sup>C values of +1:95‰ to NBS19 and -47:3‰ to IAEA-CO9 and <sup>18</sup>O values of -2:20‰ to NBS19. All values are reported<br> in per mil relative to V-PDB.</p>
The potential for low-grade metamorphism to facilitate fault instability in a geothermal reservoir
<p>Swarms of earthquakes during shale gas exploitation in the Changning area of the Sichuan Basin indicate that hydraulic fracturing induces seismicity both within the target reservoir formation but also to depths of several kilometers below the horizontal well. These remote earthquakes are possibly triggered by total stress perturbations resulting from the hydraulic fracturing. We use a dislocation-based analytical model to simulate multistage hydraulic fracturing of three horizontal wells at a single well pad to explore the spatiotemporal evolution of the total stress perturbations. Results show that the number and distribution of fracturing stages affect both the distribution and magnitude of stress changes and that the stress change diminishes with distance. The undrained injection-induced stress change is less than 10<sup>-3</sup> <i>MPa</i> at distances ≥1 <i>km</i> for single-stage fracturing but reach 10<sup>-1</sup> <i>MPa</i> for multistage fracturing of 30 stages in all three wells. Undrained stress changes scale linearly with the magnitude of fluid leak-off into the formation – halving the effective fracture width halves the induced stress magnitudes and with an identical distribution – limiting the potential for fault reactivation. Scaling analysis for pressure diffusion distal from the reservoir indicates that the short-term (days to weeks) impact is indeed essentially undrained. Estimates for long-term reservoir depletion (months to years) identify a similar induced stress signal of opposite sign but with similar Coulomb potential for reactivation in the long term. Such magnitudes of Coulomb stress changes suggest the possibility of fault reactivation on deep critically-stressed faults at kilometer separation from the injection both in the short term due to stimulation and in the long term as a result of reservoir depletion.</p>
Supporting Information for "How erosion influence fault segmentation and earthquakes in thrust belts: Low-temperature thermochronology and fluvial shear stress analyses on the southern Longmen Shan, eastern Tibet"
<p>Supporting Information for</p> <p>How erosion influence fault segmentation and earthquakes in thrust belts: Low-temperature thermochronology and fluvial shear stress analyses on the southern Longmen Shan, eastern Tibet</p> <p>Yijia Ye<sup>1</sup>, Xibin Tan<sup>1, </sup>*, Yiduo Liu<sup>2</sup>, Feng Shi<sup>1</sup>, Yuan-Hsi Lee<sup>3</sup>, Michael A. Murphy<sup>2</sup>, Xiwei Xu<sup>4</sup></p> <ol> <li>State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration, Beijing, 100029, China</li> <li>Department of Earth and Atmospheric Sciences, University of Houston, Houston, TX, 77204-5007, USA</li> <li>Department of Earth and Environmental Sciences, National Chung-Cheng University, Chia-Yi, 62102, Taiwan</li> <li>Institute of Crustal Dynamics, China Earthquake Administration, Beijing, 100085, China</li> </ol> <p><em>* </em>Corresponding author. E-mail address: <a href="mailto:tanxibin@sina.com">tanxibin@sina.com</a></p> <p> </p> <p><strong>Contents of this file </strong></p> <p>Figures S1 and Table S1</p>
Effect of glacial/interglacial recharge conditions on flow of meteoric water through deep orogenic faults: insights into the geothermal system at Grimsel Pass, Switzerland
<p>This repository contains all files needed to run the base case simulation with PFLOTRAN. The input file pflotran.in provides information about the data sources as annotations. .</p>
Matlab Algorithm for Systematic Vertical Separation Measurements of Tectonic Fault Scarps
<p>We have studied the topography along the Lost River Fault in Idaho (USA) and in particular the rupture zone generated by the strong 1983 Borah Peak earthquake (M<sub>w</sub> 6.9) almost 40 years after its occurrence. Our first reason for acquiring these data was to systematically measure vertical separation (VS) along the fault.<br> To do this we have developed and implemented a scarp analysis algorithm in MATLAB (www.mathworks.com) which enables users to measure the vertical separation from a topographic profile. The code constructs a topographic profile along the preferred trend (generally perpendicular to the fault trace) and projects the best-fit lines to each of the hanging wall and footwall flat to the fault location. The vector difference between the intersection of these lines with a vertical plane at the fault location is the vertical separation. Please see the code guide for additional detail. </p>
Data from: A geology and geodesy based model of dynamic earthquake rupture on the Rodgers Creek-Hayward-Calaveras fault system, California
<p>The Hayward fault in California's San Francisco Bay area produces large earthquakes, with the last occurring in 1868. We examine how physics-based dynamic rupture modeling can be used to numerically simulate large earthquakes on not only the Hayward fault, but also its connected companions to the north and south, the Rodgers Creek and Calaveras faults. Equipped with a wealth of images of this fault system, including those of its 3D geology and 3D geometry, in addition to inferences about its interseismic creep rate pattern and rock-friction behavior, we use a finite-element computer code to perform 3D dynamic earthquake rupture simulations. We find that the rock properties affect the locations and amount of slip produced in our simulated large earthquakes. Crucial factors that control rupture behavior in our modeling are the earthquake nucleation locations, the fault geometry, and the data that reveal where the fault system is creeping or locked. Our findings suggest that large Rodgers Creek-Hayward-Calaveras-Northern Calaveras (RC-H-C-NC) fault-system earthquakes may result from dynamic rupture that starts in a locked part of the fault system, but is then stopped by the creeping parts, leading to high magnitude-6 earthquakes; or, from dynamic rupture that starts in a locked part of the fault system, then cascades through some of the creeping parts, leading to magnitude-7 earthquakes.</p>
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.