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20 results for “surface rupture”
UAV-derived DEM and DOM along the co-seismic surface ruptures produced by the Mw5.7 aftershock during the 22-01-2024, Mw7.0 Wushi earthquake, Xinjiang, China
<p>This unmanned aerial vehicle (UAV) dataset was acquired by a DJI Matrice 300 RTK and a DJI Phantom 4 Pro, on February 3 and 5, 2024, respectively. The Digital Elevation Model (DEM) and Digital Orthophoto Map (DOM) were processed using the Agisoft Metashape Professional software. These data were used to map the co-seismic surface ruptures produced by the 29-01-2024, Mw5.7 aftershock following the 22-01-2024 Mw7.0 Wushi mainshock, Xinjiang, China, and to measure the associated vertical offsets along the surface ruptures.</p>
Large surface-rupture gaps and low surface fault slip of the 2021 Mw 7.4 Maduo earthquake along a low-activity strike-slip fault, Tibetan Plateau
<p>In this data set, Text S1 describes methods of (i) field investigation, UAV image collection and interpretation and (ii) horizontal and vertical displacement measurements. Figure S3 shows pre-event topographic expressions of the Maduo earthquake fault. Tables S1 and S2 provide measurement results of horizontal and vertical displacements, respectively. Datasets 1-4 provide the UAV flight swath, interpreted surface ruptures and secondary cracks, horizontal displacements and vertical displacements.</p>
SUrface Ruptures due to Earthquakes (SURE) database - version 1.0
<p>The files correspond to the rupture traces, slip measurement points and earthquake information of the Surface rupture database published in the paper "A Worldwide and Unified Database of Surface Ruptures (SURE) for Fault Displacement Hazard Analyses" by Stéphane Baize, Fiia Nurminen, Alexandra Sarmiento, Timothy Dawson, Makoto Takao, Oona Scotti, Takashi Azuma, Paolo Boncio, Johann Champenois, Francesca R. Cinti, Riccardo Civico, Carlos Costa, Luca Guerrieri, Etienne Marti, James McCalpin, Koji Okumura, and Pilar Villamor in Seismological Research Letters (doi: 10.1785/0220190144).</p>
Coseismic Surface Ruptures of 20 Strike-Slip Earthquakes Measured from Geodetic Imaging Data
<p>Coseismic surface displacement maps for 20 strike-slip surface rupturing earthquakes measured from radar and optical pixel tracking data. </p> <p>This dataset contains 2D and 3D surface displacement maps, fault traces, total fault-parallel slip measured from the surface displacement maps, a number of strain maps and image IDs used to generate the surface displacement maps </p>
Text-fig. 7. Lusitanispermum choffatii gen. et sp. nov. seeds from the Early Cretaceous Famalicão locality (sample 025), Portugal; Synchrotron radiation X-ray tomographic microscopy (SRXTM, volume renderings). a) Holotype; seed in lateral view showing seed shape; note that the seed is broken near the lower surface of the hilum (S174345). b) Oblique apical view of micropylar-hilar region of holotype showing slightly ruptured micropylar slit (mi) in the outer integument and two bulging and abraded areas (arrow heads) close to hilum. c) Seed in oblique lateral-raphal view showing the two bulging structures (arrow heads) immediately adjacent to the lower edge of the hilum (S174472). d) Tangential, longitudinal cut (cut at yz0131) through the seed coat of seed in (7c) showing the undulate anticlinal cell walls of the exotesta cells that are thickest towards the outside and thinner towards the inside. Scale bars = 500 µm (a–c); 250 µm (d). in Extinct Taxa Of Exotestal Seeds Close To Austrobaileyales And Nymphaeales From The Early Cretaceous Of Portugal
Text-fig. 7. Lusitanispermum choffatii gen. et sp. nov. seeds from the Early Cretaceous Famalicão locality (sample 025), Portugal; Synchrotron radiation X-ray tomographic microscopy (SRXTM, volume renderings). a) Holotype; seed in lateral view showing seed shape; note that the seed is broken near the lower surface of the hilum (S174345). b) Oblique apical view of micropylar-hilar region of holotype showing slightly ruptured micropylar slit (mi) in the outer integument and two bulging and abraded areas (arrow heads) close to hilum. c) Seed in oblique lateral-raphal view showing the two bulging structures (arrow heads) immediately adjacent to the lower edge of the hilum (S174472). d) Tangential, longitudinal cut (cut at yz0131) through the seed coat of seed in (7c) showing the undulate anticlinal cell walls of the exotesta cells that are thickest towards the outside and thinner towards the inside. Scale bars = 500 µm (a–c); 250 µm (d).
2008 Nura earthquake surface rupture slip vector documentation
<p>This online data holds information related to the surface rupture resulting from the 2008 Nura earthquake in south Kyrgyzstan. The primary dataset is a Google Earth KMZ file with GPS-locations where slip vector measurements were taken along the rupture. A downloadable ZIP file accompanies the KMZ, containing photographs linked to each data point. Both files should be stored in one folder for proper linkage. In addition, a text file is available with all measurements and associated information. Five videos obtained with the drone are available to illustrate the surface rupture zones and geological overview in the Nura settlement surroundings. The entire data was gathered in 2018. </p> <p>Raster-files of high-resolution digital surface models of the surface rupture can be found on opentopography <a href="https://doi.org/10.5069/G9ZW1J4C" target="_blank" rel="noreferrer noopener">https://doi.org/10.5069/G9ZW1J4C</a></p> <p>The data presented in this repository was initially disseminated in a dissertation by Magda Patyniak. This project is part of the CaTeNA-project within the Client II program of and funded by the Federal Ministry of Education and Research (BMBF; Sub-project grant 03G0878E to Manfred Strecker).</p>
Spreadsheet containing information on earthquakes that DID / DID NOT rupture the surface
<p>Spreadsheet containing information on earthquakes that DID / DID NOT rupture the surface</p> <p>Data are extracted from the ISC-GEM catalogue. Fields include:</p> <p>N.: identificative number, progressive</p> <p>Event ID: identificative number, from the ISC-GEM catalogue</p> <p>Date: format YYYY-MM-DD, from the ISC-GEM catalogue</p> <p>Lat: latitude of the epicenter, in decimal degrees</p> <p>Lon: longitude of the epicenter, in decimal degrees</p> <p>Depth, Depth unc and Depth quality: information retrieved from the ISC-GEM catalogue</p> <p>Mw, Mw unc and Mw quality: moment magnitude; information retrieved from the ISC-GEM catalogue</p> <p>Str, Dip, Rake: strike, dip and rake for the 2 nodal planes; information retrieved from the ISC-GEM catalogue</p> <p>Fault kin: earthquake mechanism, categorized as reverse, strike-slip, normal, transpressive, transtensive</p> <p>Surface faulting: categorized as YES, NO, no info, debated faulting</p> <p>SRL (surface rupture length in km); MD (max displacement in m); AD (average displacement in m)</p> <p>Reference: literature used to compile the dataset; full list is available in the .pdf file related to this document</p> <p> </p> <p>A poster has been presented at the PATA Days 2023 in France, file available at:</p> <p><a href="https://www.researchgate.net/publication/363739186_LIKELIHOOD_OF_PRIMARY_SURFACE_FAULTING_A_SEQUEL">https://www.researchgate.net/publication/363739186_LIKELIHOOD_OF_PRIMARY_SURFACE_FAULTING_A_SEQUEL</a></p>
26 December 2018 surface ruptures along the eastern flank of Mt. Etna
<p>This dataset includes two shape files with ground breaks observed on Mt. Etna after the 26 December 2018 earthquake and aseismic creep event, in particular:</p> <ul> <li>the surface faulting, along the Fleri, Fiandaca, Aci Catena and Aci Platani faults;</li> <li>the ground breaks related to slope instabilities;</li> </ul> <p>The shape files have a database with informations on: strike, length (m), heave (i.e., horizontal displacement in cm), throw (i.e., vertical displacement in cm), strike-slip (cm), net slip displacement (cm), kinematics, slip trend and plunge from certain piercing points.</p> <p>The dataset is an updated and an upgrade of the one associated with the paper: <em>"Fault rupture and aseismic creep accompanying the December 26, 2018, Mw 4.9 Fleri earthquake (Mt. Etna, Italy): Factors affecting the surface faulting in a volcano-tectonic environment" </em>by G. Tringali, Bella, D., Livio F., Ferrario M. F., Groppelli G., Blumetti A.M., Di Manna P., Vittori T., Guerrieri L., Porfido S., Boso D., Pettinato R., Paradiso G., Michetti A.M. (<a href="https://doi.org/10.1016/j.quaint.2021.12.019">https://doi.org/10.1016/j.quaint.2021.12.019</a>).</p>
DATA SET FOR: Active faulting, submarine surface rupture and seismic migration along the Liquiñe-Ofqui fault system, Patagonian Andes
<p>Data description: These data corresponde to high-resolution bathymetry and seismic reflection profiles obtained in the inner fjord west of Puerto Aysén (between 73.13°- 72.68°W and 45.32°-45.47°S; Figs. 1 and 2). The data set was obtained during a geophysical study as part of the DETSUFA project (Deslizamientos Tsunamigénicos en el Fiordo de Aysén; Lastras et al., 2013), which took place between March 4th and 17th, 2013, aboard the R/V BIO Hésperides.<br> <br> KONGSBERG SIMRAD multibeam EM-1002S was used to obtain bathymetric data, and it works with 111 beams at a 96 kHz sonar frequency and with a maximum ping rate of >10 Hz. Equidistant mode was used for swath bathymetry acquisition. This array maximized the number of beams facilitating data acquisition and obtaining a homogenized final grid with improved resolution, with tracks separated every 150 m. The swath thickness was the same regardless of width, generating a 50% overlap between each track, with the exception of areas located near the coast. Expendable Bathythermograph (XBT) probes were used at specific sites to measure changes in water sound velocity due to eventual changes in fresh water circulation, tides, and sediment.<br> <br> Seismic reflection data were acquired using an array of two BOLT air guns (165 and 175 inches3), which were towed behind the vessel stern. The configuration used in the seismic sources was 2,000 psi, a depth of 3 m for the gun, with a firing rate of 15 m over the seafloor. A 100 m long mini-streamer with a 25 m active section, corresponding to one single channel, recovered the shots. The seismic data were recorded by using the DELPH SEISMICPLUS system with a recording length of 4.0 s and a preamplifier gain of 8 Hz. The raw seismic data were processed aboard the SMT Kingdom Suite, including the navigation and standard processes of electrical noise removing (50 Hz filter), gain amplifier and bandpass filtering, to improve data visualization. Postprocessing included the migration of the sea bottom diffractions and the muting of the water column performed in Seismic-Unix.</p> <p>Files:</p> <p>Raw Seismic reflection data for lines 05, 06 and 07 (SU & SEG files)</p> <p>Masked Seismic profiles for lines 05, 06 and 07 (SU, PDF & PS files)</p> <p>Bathymetry of inner and outer Aysén Fjord (ASCII file)</p>
LIST OF RECENT EARTHQUAKES THAT POSSIBLY HAD SURFACE RUPTURE
<p>The Excel spreadsheet and its accompanying text file list all the shallow (<35 km) M6+ earthquakes that have occurred on-land in the period 2000-2016. These are of a size and type of earthquake that may have produced surface faulting. So in updating the SURE database, we need to ensure that we know whether each of these 134 earthquakes produced surface rupture, and how much. At this point it looks like there are published papers about surface faulting for 20 of these earthquakes. For the rest, we don't know if there was surface rupture or not. I suggest we ask for volunteers from the countries that contain these 114 undocumented earthquakes, and ask them if surface rupture was looked for, and if so, if it was found and what parameters were measured. These volunteers would come from the SURFACE project, or be new paleoseismologists who would like to become involved.</p>
Template for implementation of the Surface Rupture Database (SURE)
<p>The structure of the "surface rupture database" (SURE) has been discussed during a workshop in Paris. Please find details at www.earthquakegeology.com/materials/projects/1620R-report.pdf </p> <p> </p>
Quantifying the erasure of earthquake surface ruptures from desert landscapes: Implications for seismic hazard assessment
<p><strong>Original Landscapes</strong></p> <p>DEMs of ~120x140m landscapes clipped from:</p> <p>R1-10 = 2019 M7.1 Ridgecrest earthquake, 2019 lidar (Hudnut et al., 2020), and </p> <p>E1-10 = 2010 M7.2 El Mayor-Cucapah earthquake, 2010 lidar (OpenTopography, 2010).</p> <p>Example: "E5.asc"</p> <p> </p> <p><strong>Degraded Landscapes</strong></p> <p>Linearly diffused using <em>Landlab </em>(Hobley et al., 2017; Barnhart et al., 2020) at timesteps (100, 1000, 5000, 10000 yr) using a <em>k</em> of 1 m^2/kyr.</p> <p>Example: "e5_1000_001_eroded.asc"</p> <p> </p> <p><strong>Mapped Faults Shapefiles </strong>- E1_10_shps & R1_10_shps</p> <p>Faults mapped on each degraded landscape using a systematic mapping process (Scott et al., 2023; Adam, 2023)</p> <p> </p> <p><strong>Ridgecrest DEM</strong> - rc_7_1_0424_utm.tif</p> <p>0.014 m/pix DEM of a portion of the 2019 M7.1 Ridgecrest earthquake rupture, from 6 April 2024. Created from Structure from Motion using drone images. </p> <p> </p> <p><strong>Degradation and analysis python code</strong> - landscape_evolution_earthquake_ruptures-main.zip</p> <p>A set of scripts to simulate the effect of surface processes on surface ruptures and quantify the information loss associated with landscape evolution over time. Includes options to simulate surface processes with linear and non-linear diffusion, implemented using open-access code landlab.</p> <p> </p> <p><strong>References</strong></p> <p>Adam, R. (2023). Evaluation of remote mapping of active fault traces. Arizona State University.</p> <p>Barnhart, K.R., Hutton, E.W.H., Tucker, G.E., Gasparini, NM., Istanbulluoglu, E., Hobley, D.E.J., Lyons, N.J., Mouchene, M., Nudurupati, S.S., Adams, J.M., Bandarogoda, C., 2020, Short communication: Landlab v2.0: A software package for Earth surface dynamics: Earth Surface Dynamics Discussions, doi: 10.5194/esurf-2020-12.</p> <p>Hobley, D.E.J., Adams, J.M., Nudurupati, S.S., Hutton, E.W.H. Gasparini, N.M., Istanbulluoglu, E., and Tucker, G.E., 2017, Creative computing with Landlab: an open-source toolkit for building, coupling, and exploring two-dimensional numerical models of Earth-surface dynamics: Earth Surface Dynamics, v. 5, n. 1, p. 21-46, doi: 10.5194/esurf-5-21-2017.</p> <p>Hudnut, K.W., B. Brooks, K. Scharer, J.L. Hernandez, T.E. Dawson, M.E. Oskin, R. Arrowsmith, C.A. Goulet, K. Blake, M.L. Boggs, S. Bork, C.L. Glennie, J.C. Fernandez-Diaz, A. Singhania, D. Hauser, S. Sorhus (2020). 2019 Ridgecrest, CA Post-Earthquake Lidar Collection. National Center for Airborne Laser Mapping (NCALM). Distributed by OpenTopography. https://doi.org/10.5069/G9W0942Z.. Accessed: 2024-11-25 </p> <p>Opentopography; El Mayor-Cucapah Earthquake (4 April 2010) Rupture LiDAR Scan. Distributed by OpenTopography. https://doi.org/10.5069/G9TD9V7D . Accessed: 2024-11-25</p> <p>Scott, C., Adam, R., Arrowsmith, R., Madugo, C., Powell, J., Ford, J., Gray, B., Koehler, R., Thompson, S., Sarmiento, A., Dawson, T., Kottke, A., Young, E., Williams, A., Kozaci, O., Oskin, M., Burgette, R., Streig, A., Seitz, G., … Ingersoll, S. (2023). Evaluating how well active fault mapping predicts earthquake surface-rupture locations. Geosphere. https://doi.org/10.1130/GES02611.1</p>
Map and offsets of the Ar-Hötöl surface rupture along the Khovd fault (Mongolian Altay)
<p><strong>Detailed map of the surface ruptures and affected geomorphological markers for the Ar-Khutul section of the Khovd Fault in the Mongolian Altay. Observations are based on a multi-scale approach combining a range of airborne and terrestrial imaging and topographic techniques: Sentinel-2, Pleiades, TanDEM-X, UAV, and terrestrial laser scanning. This dataset is composed of a detailed map of tectonic scarps with a distribution of offset values below 10 m.</strong></p>
Fault strength and rupture process controlled by fault surface topography
<p>Experimental source data for the study "Fault strength and rupture process controlled by fault surface topography"</p>
Surface rupture data and InSAR deformation of the March 24, 2021 Mw5.3 Baicheng earthquake, Xinjiang, China
<p>The co-seismic surface rupture data and map, range offset measurements, and the slip model of InSAR used to study the 2021 Baicheng (China) earthquake are included in this repository.</p>
UAV surveying data and surface rupture for the 2022 Ms 6.9 Menyuan earthquake, along Haiyuan fault system, NE Tibet
<p>The unmanned aerial vehicle (UAV) data was acquired by a DJI (Dajiang Innovations Science and Technology Co., Ltd.) Phantom 4 RTK. High resolution digital elevation and orthophoto models (DEM/DOM) was produced by Agisoft Metashape Professional software.</p> <p>The LLL1-12 and TLS1-5 images are the DOMs covering the surface ruptures along the Leng Long Ling fault and Tuolai Shan fault from west to east, respectively.</p> <p>The 2022 Menyuan earthquake surface rupture (.kmz file) was obtained based on the interpretation of UAV DOM data. </p> <p>The DEM files are used to calculate the offsets in the Menyuan earthquake paper (<em>The 2022, Ms 6.9 Menyuan earthquake: surface rupture, Paleozoic suture re-activation, slip-rate and seismic gap along the Haiyuan fault system, NE Tibet</em>).</p> <p> </p> <p> </p>
Surface rupture data associated with the 2020 Mw 6.6 Masbate earthquake, Philippines
<p> </p> <p>The dataset comprises vector files depicting the delineated surface rupture associated with the 2020 Mw 6.6 Masbate earthquake, along with field measurements recorded in a spreadsheet. Mapping of the surface rupture was conducted using ground and drone surveys. The field measurements, taken with tape measures, were supplemented with measurements derived from drone orthophotos.</p>
Surface rupture dataset of 18 normal and strike-slip events
<p>Fault displacement hazard assessment is based on the analysis of empirical datasets. Here, I present a dataset of surface ruptures related to 18 normal and strike-slip events occurred between 1905 and 2011, with a magnitude range of Mw 5.9 – 8.3. Rupture traces were digitized from published maps at a variable scale, dependent on the resolution of the original map. Earthquakes are from Iran (7 events), Mongolia, China, Turkey, Greece (2 events for each country), Italy, Kenya and Japan (1 event).</p> <p>The dataset aligns with the recent efforts to constitute a worldwide and unified fault displacement database (e.g., SURE database, Baize et al., 2019).</p> <p>The Table “events” contains details on the analyzed dataset, in a format similar to that proposed by SURE. The shapefile contains the ruptured segments, coordinate system: WGS84.</p>
Surface rupture data from 2009 Karonga Earthquakes, Malawi
<p>I do not take any credit for the data compiled here. All surface rupture data is taken from: Macheyeki, A. S., Mdala, H., Chapola, L. S., Manhiça, V. J., Chisambi, J., Feitio, P., et al. (2015). Active fault mapping in Karonga-Malawi after the December 19, 2009 Ms 6.2 seismic event. <em>Journal of African Earth Sciences</em>, <em>102</em>, 233–246. https://doi.org/10.1016/j.jafrearsci.2014.10.010</p> <p>Data on the earthquake focal mechanisms and geodesy is taken from: Biggs, J., Nissen, E., Craig, T., Jackson, J., & Robinson, D. P. (2010). Breaking up the hanging wall of a rift‐border fault: The 2009 Karonga earthquakes, Malawi. <em>Geophysical Research Letters</em>, <em>37</em>(11).</p>
Data for "The influence of fault geometrical complexity on surface rupture length"
<p>This repository contains the data generated in and some data from the FDHI database (Sarmiento et al., 2021) required to run the scripts used in our publication "The effect of fault geometrical complexity on surface rupture length".</p> <p> </p> <p>Table of contents:</p> <table> <tbody> <tr> <td>File/directory</td> <td>File type</td> <td>Notes</td> <td>References (if applicable)</td> </tr> <tr> <td>geometrical_complexity_shapefiles_v1.zip</td> <td>Shapefiles</td> <td> <p>Shapefiles for the breached and unbreached geometrical features in Rodriguez Padilla et al. 202X. The name of each file is the geometrical feature, followed by whether the feature is breached or unbreached, followed by the name of the event the feature was mapped from.</p> <p>Example: stepover_breached_Borrego.shp</p> <p>Note some shapefiles are empty because that feature type was not observed for a given event. </p> </td> <td> <p>Rodriguez Padilla et al. (202X)</p> <p>Sarmiento et al. (2021) <a href="https://www.risksciences.ucla.edu/nhr3/fdhi/databases">https://www.risksciences.ucla.edu/nhr3/fdhi/databases</a></p> </td> </tr> <tr> <td>Regional_maps.zip</td> <td>Shapefiles</td> <td>Shapefiles for each regional fault map (Qfaults for US, NZAFD for New Zealand, AFEAD for Asia and the Middle East, and GEM for remaining regions)</td> <td>USGS and CGS, Langridge et al. (2016), Bachmanov et al. (2021), Styron and Pagani (2020)</td> </tr> <tr> <td>event_rupture_shp.zip</td> <td>Shapefiles</td> <td>Shapefiles with the primary ruptures for each of the events as mapped in the FDHI database</td> <td> <p>Sarmiento et al. (2021) <a href="https://www.risksciences.ucla.edu/nhr3/fdhi/databases">https://www.risksciences.ucla.edu/nhr3/fdhi/databases</a></p> </td> </tr> <tr> <td>data_FDHI.xlsx</td> <td>Spreadhsheet</td> <td>Event information, including magnitude, date, displacement distribution, etc. from the FDHI database. The data that is compiled in the spreadsheet can be accessed from the appendices of the FDHI database.</td> <td> <p>Sarmiento et al. (2021)</p> <p><a href="https://www.risksciences.ucla.edu/nhr3/fdhi/databases">https://www.risksciences.ucla.edu/nhr3/fdhi/databases</a></p> </td> </tr> <tr> <td>reflines_FDHI.zip</td> <td>Shapefiles</td> <td> <p>ECS reference lines for each event from the FDHI database (Sarmiento et al., 2021) in shapefile format</p> </td> <td> <p>Sarmiento et al. (2021)</p> <p><a href="https://www.risksciences.ucla.edu/nhr3/fdhi/databases">https://www.risksciences.ucla.edu/nhr3/fdhi/databases</a></p> </td> </tr> <tr> <td>geometries.csv</td> <td>Spreadsheet</td> <td> <p>Feature geometries, including lengths, widths, angles, and other measured attributes, generated using the Matlab code measure_EQgates.m in Github repository <a href="https://github.com/absrp/passing_probabilities_EQgates">https://github.com/absrp/passing_probabilities_EQgates</a></p> <p>This csv file also serves as the input for the Jupyter Notebook for estimating passing probabilities and event likelihoods.</p> </td> <td>Rodriguez Padilla et al. (202X)</td> </tr> </tbody> </table> <p> </p>
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