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206 results for “subduction”
Waveforms and results of seismic attenuation in Sumatra subduction zone, Indonesia
<p>Datasets for the manuscript:</p> <p>Styawan, Y., Kuo, C.-H., Huang, B.-S., Wen, K.-L., Haridhi, H. A., Sianipar, D., Characteristics of seismic attenuation in Sumatra subduction zone, Indonesia (submitted)</p> <p>The attached files include:</p> <p>1) 0.2 Hz Highpass filtered waveforms for Z and T components.</p> <p>2) Results (α, event, station, t*, Q, corner frequency, Ω0, SNR, component (Z or T), category (forearc, mountain, or backarc), and Qp/Qs).</p> <p>3) Additional data (information on events and stations).</p> <p>4) site amplification factors (P and S of all stations in different α).</p>
Code and Velocity Data for Sustained indentation in 2D models of continental collision involving whole mantle subduction
<p>Contains the Python code for all models and resolution tests using the <a href="https://www.underworldcode.org/intro-to-underworld">underworld geodynamics code</a> in "Sustained indentation in 2D models of continental collision involving whole mantle subduction" submitted to GJI</p>
Subducting seafloor anomalies promote porphyry copper formation
<p>Source data used to interrogate relationships between subducting seafloor anomalies and porphyry copper deposits presented in:</p> <p>Mather, B., Müller, R.D., Alfonso, C.P., Wright, N.M., Seton, M. (In prep.) Subducting seafloor anomalies promote porphyry copper formation.</p> <p>Python notebooks and scripts can be found in the <a href="https://github.com/brmather/SeafloorAnomalies">GitHub repository</a>.</p>
Data for: Extention at the coast of the Makran subduction zone (Iran)
<p>This dataset comes from the study of normal faults at the coast of the Iranian Makran, near the city of Chabahar. The data is published in support for the paper mentioned in the title.</p> <p>The dataset contains:<br> A - A series of fault measurements made in the region of Chabahar, with the following subgroups:<br> a) Major Faults of Chabahar headland, b) minor faults of Chabahar headland, c) faults measured from the Konarak headland, d) faults measured in the Parak area, in the Makran ranges north of Chabahar, e) Bedrock bedding orientations.</p> <p>B - Shapefiles and KMZ file containing the structural measurements in A.</p> <p>C - Field pictures of normal faults and observed evidence of overpressure in Tertiary sediments.</p>
Data for: Pleistocene coastal evolution of the Makran subduction zone
<p>This dataset contain a set of field pictures made along the coast of the western Makran subduction zone, near the region of Chabahar.<br> A youtube video (diaporama) presents (some of) these figures in their context. <a href="https://www.youtube.com/watch?v=VRxXaCPRoJk&t=1s">https://www.youtube.com/watch?v=VRxXaCPRoJk&t=1s</a></p> <p>The field pictures are a visual support for the publication mentioned in the title.</p> <p>The dataset comes in the form of many field pictures classified in themes, their legends in text files and geolocalisation in a .kmz file.<br> BB and HB are bay beach and headland beach pictures, respectively<br> Pictures of the different marine terraces areas visited are labelled as follow:<br> CH - Chabahar marine terraces<br> GU - Gurdim marine terrace<br> JA - Jask marine terrace<br> KO - Konarak marine terraces<br> LI - Lipar marine terraces<br> PA - Pasabander marine terraces<br> RA - Ramin marine terraces<br> TA - Tang marine terraces</p> <p>M pictures are from tertiary marl bedrock outcrops along the coast</p> <p>Pictures B, C, D, E, F, G, and I are from major normal faults at Chabahar headland. A figure shows their localisation.</p> <p>Finally, many pictures illustrate the different sedimentary sections described and studied in the paper.</p>
Data for: Holocene sedimentary record and coastal evolution in the Makran subduction zone (Iran)
<p>The data comes from the study of Holocene beaches from the Iranian Makran. More exactly, the beaches in Pozm bay, Chabahar bay and the longitudinal beach west of the village of Beris. The data contain field pictures and their legends, results and analytical details of radiocarbon dating, SEM secondary electron images of the analysed shells and the results and analytical details of optically stimulated luminescence dating (OSL).<br> The data is published in support for the paper mentioned in the title.</p> <p>A to D are field pictures and legends of:<br> A - Pozm bay field pictures<br> B - Chabahar bay field pictures<br> C - Beris beach field pictures<br> D - Observed current depositional settings</p> <p>E - Radiocarbon dating results and analytical supplementary information<br> F - Secondary electrons SEM images of the analysed shells</p> <p>G - OSL dating results and analytical supplementary information</p> <p>Radiocarbon analytical details are provided, together with XRD analysis of the Aragonitic shells, SEM secondary electron images of analysed shells and calibration details. Method details are in the paper.</p> <p>OSL results are provided with the analytical details, such as: Environmental dose parameters, OSL raw measurements (out of the machine), OSL Histograms and Dose-Recovery tests. Method details are in the paper.</p>
Kinematic and Paleoseismic Investigation of an Upper-Plate Fault on Chirikof Island: A Potential Tsunami-Seismic Hazard Source within the Alaska Subduction Zone
Open the record for dataset details and reuse information.
Fast Liquiñe-Ofqui Fault Slip Rates and Rapid Uplift Above the Subducted Chile Ridge
<p>These field data are GPS tracks, GPS waypoints, structual data, seismicity data, and DEM data from the study. </p>
Seismic Model of the Seafloor Sediment and Shallow Oceanic Crust of the Alaska-Aleutian Subduction Zone at the Alaska Peninsula
<p>This dataset is supplementary to</p> <blockquote> <p>Zheng, Mengjie, Sheehan, Anne, Liu, Chuanming, Wu, Mengyu, & Ritzwoller, Michael. (2024). Characterizing Sub-Seafloor Seismic Structure of the Alaska Peninsula Along the Alaska-Aleutian Subduction Zone. <em>Journal of Geophysical Research: Solid Earth</em>, <em>129</em>(11), e2024JB029862. <a href="https://doi.org/10.1029/2024JB029862">https://doi.org/10.1029/2024JB029862</a></p> </blockquote> <p>This dataset contains files of sub-seafloor S-wave velocities and sediment properties.</p>
Models for JGR-SE paper: Azimuthal anisotropy tomography of the Southeast Asia subduction system
<p>3-D models of isotropic Vp and azimuthal anisotropy tomography beneath the Southeast Asia subduction system.</p>
Surface signatures of subduction
<p>Data used for the preparation of the manuscript "Lagrangian surface signatures reveal upper-ocean subduction near oceanic density fronts".</p>
Schematic cartoons of subduction zones magmatism and volcanic arc formation
<p>These figures are thought to schematically show magmatism in subduction zones.</p> <ul> <li><strong>SubductionCartoon_Arc&Backarc_Melt.png</strong> shows fluids and melt fluxes in subduction zones at the arc and back-arc basin. The annotated version is <strong>SubductionCartoon_Arc&Backarc_Melt_Annotated.png</strong></li> <li><strong>[1-8]_VolcanicArcCartoon.png</strong> is a series of figures that show step-by-step how a volcanic arc form and grow with some text that describes each step.</li> <li><strong>NoText_[1-8]_VolcanicArcCartoon.png</strong> is the same as above, but with no text.</li> <li><strong>BuildingVolcanicArc.gif </strong>is a gif that puts together the NoText_... files to show how a volcanic arc form and grow.</li> </ul>
Dataset for "Terrane collision-induced subduction initiation: Mode selection and implications for western Pacific subduction system"
<p>Numerical results for "<strong>Terrane collision-induced subduction initiation: Mode selection and implications for western Pacific subduction system</strong>".</p>
Input files to run free subduction model by Keum and So (2023), submitted to Tectonophysics.
<p>This release contains a series of Lagrangian free subduction models, and MATLAB script used to create the initial temperature condition.</p>
Cascadia Subduction Zone Fault Heterogeneities from Newly Detected Small Earthquakes - Datasets
<p>Datasets associated with manuscript "Cascadia Subduction Zone Fault Heterogeneities from Newly Detected Small Earthquakes" by Morton et al. (2023), submitted to the <em>Journal of Geophysical Research: Solid Earth</em>. Three datasets are present in this upload:</p> <p><strong>ds01.xlsx</strong>: Catalog of 5,282 detected earthquakes along the Cascadia subduction margin, ordered by time. Events were located using Hypoinverse (Klein, 2002). Columns of the catalog are: Cascadia Initiative deployment year, Origin Time String (YYYYMMDDhhmmss), Origin Time (Year, Month, Day, Hour, Minute, Second), Latitude, Longitude, Event Depth (km), Duration Magnitude (Md), Number of P and S arrival picks with weights > 0.1, Maximum Azimuthal Gap (deg.), Distance to the Nearest Station (km), Travel Time Residual RMS (s), Horizontal Location Error (ERH; km), Vertical Location Error (ERZ; km), Focal Mechanism if applicable (Strike, Dip, Rake; deg.), Plate Designation (Slab, Interface, or Upper Plate), and Previous Existence in Regional Catalogs. Duration magnitudes that could not be constrained are listed as -9. Detected earthquakes that had previously been reported in other catalogs are listed as "Catalog" or "Stone" form the regional or Stone et al. (2018) catalogs, respectively; Those used as template events are marked as "T" or "ST", for those from regional catalogs or the Stone et al. (2018) catalog, respectively, in the last column.</p> <p><strong>ds02.xlsx</strong>: Table of earthquakes chosen as template events for subspace scanning from regional (NEIC, ANF, PNSN, CNDC) and Stone et al. (2018) catalogs. Columns of the template event table are: Catalog Source (T for regional, ST for Stone et al. 2018), Cascadia Initiative (CI) Deployment Year, Template Cluster ID, Date, Time (UTC), Catalog Location (Latitude, Longitude, Depth), Catalog Magnitude, and Whether the Template Event was Detected. Some of the templates were detected but were not included in the final catalog because the travel time residual RMS was greater than 1s and are noted in the table as "poorly located".</p> <p><strong>ds03.xlsx</strong>: Table of seismic stations used in subspace detection scanning, identified by the CI deployment year, Template Cluster ID, Station SEED, and Network Codes. Stations are listed with the corresponding high-pass (HP) or band-pass (BP) filter applied before scanning to maximize the signal-to-noise ratio.</p> <p>References</p> <p>Klein, F. W. (2002). <em>User’s Guide to HYPOINVERSE-2000, a Fortran Program to Solve for Earthquake Locations and Magnitudes</em> (Open File Report 02-171). U.S Geological Survey. https://doi.org/10.3133/ofr02171</p> <p>Stone, I., Vidale, J. E., Han, S., & Roland, E. (2018). Catalog of off-shore seismicity in Cascadia: Insights into the regional distribution of microseismicity and its relation to subduction processes. <em>Journal of Geophysical Research: Solid Earth, 123</em>, 1–12. https://doi.org/10.1002/2017JB014966</p>
Dataset for "Terrane collision-induced subduction initiation: Mode selection and implications for western Pacific subduction system"
<p>Numerical results for "<strong>Terrane collision-induced subduction initiation: Mode selection and implications for western Pacific subduction system</strong>".</p>
Overriding-plate velocity control on surface topography in 2-d models of subduction zones
<p>Dataset associated with the paper entitled "Overriding-plate velocity control on surface topography in 2-d models of subduction zones" by Cerpa and Arcay, G3, 2020.</p> <p>The repository contains : </p> <p>- Data and model output files used for generating the figures in the manuscript </p> <p>- Python scripts to generate the figures in the main text of the manuscript</p> <p> </p> <p>Please, contact N. Cerpa (nestor.cerpa@gm.univ-montp2.fr) for additional information</p> <p> </p>
Modeling subduction megathrust earthquake cycle: Insights from a visco-elasto-plastic analog model
<p><strong>The dataset :</strong><br> The directory DATASET.zip provides data from subduction megathrust earthquake cycle analog experiments and results described in Caniven and Dominguez (2020). The data set contains all files for displacement fields (*.grd), time series of geodetic displacement (img_dcumul*.txt) and cumulative fault slip (profil*.gmt) and a spreadsheet file (*.numbers) used in plots of Figure 3 to Figure 10 in the paper. For each figure directory, we provide an example of script (SCRIPT_gmt*.txt) that can be used to display the data using the GMT software (Global Mapping Tools). The provided scripts have been developped to be used with GMT 5.4.4. The use of other versions may require some adjustments. See header of scripts for details.</p> <p><strong>The supporting movies :</strong><br> The Movies S1 and S2 show more complete records of experiments performed at two different tectonic loading rates. They corresponds to experiments analyzed in Figure 9 of the paper. Movies S1 is the "slow" experiment and Movies S2 is the "fast" one. The time-step is 5 seconds. All components of displacements field are plotted with associated profiles.</p> <p><strong>The analog model :</strong><br> The analog model reproduces subduction earthquake cycles using a multi-layered visco-elasto-plastic rheology. This includes the ductile mantle wedge with the overlying elastic part of the lithospheric plate and a subducting elastic oceanic crust. The frictional properties along the seismogenic zone favor stick-slip behavior from the trench to the brittle-ductile transition zone beyond which stable creep is dominant. Interseismic, coseismic and postseismic phases, including after-slip and viscoelastic relaxation are well reproduced. The model generates a wide range of slip events from creep to slow-slip events to earthquakes. Results reveals that the loading rate significantly controls fault slip stability by acting on the brittle-ductile coupling and the elastic strain energy stored during the interseismic stage. Slip properties depends also on the mean normal stress imposed along the fault zone. Finally, isolated and precursory slow-slip events are observed before the dynamic failure. The fault geometrical complexity is favored to explain the richness of the observed slip behavior.</p>
Model data repository of "How sediment thickness influences subduction dynamics and seismicity"
<p>This repository provides the code and data to run the Seismo-Thermo-Mechanical model with a sediment thickness T<sub>sed</sub> of 4 km on a cluster using executables.</p>
The different effects in medium-field and far-field of the Pacific plate subduction: revealed by magnetotelluric imaging at the eastern segment of the Central Asian Orogenic Belt
<p>The long-period magnetotelluric sounding profile with the length of 1500 km crossed major geological tectonic units in Northeast China, including the Erguna block, the Xing'an block, the Songnen block, and the Jiamusi block. MT data were recorded at 81 stations, with an average site spacing of 20 km</p>
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Allen Brain Atlas
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International Brain Laboratory public data
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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.