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781 results for “earthquakes”
Quantitative Assessments of the Liquefaction Hazard of Soils considering Possible Strong Earthquakes in Seismically Active Regions of Russia
<p>Initial data for RESEARCH ARTICLE "Quantitative Assessments of the Liquefaction Hazard of Soils considering Possible Strong Earthquakes in Seismically Active Regions of Russia "</p>
SF-CMT catalog of moderate-to-large earthquakes at Japan Trench subduction zone
<p>The CMT solutions are obtained in “Impact of offshore seismograph network and 3-D seismic velocity structure model on centroid moment tensor analysis for offshore earthquake: Application to the Japan Trench subduction zone” by Lina Yamaya, Hisahiko Kubo, Katsuhiko Shiomi, and Shunsuke Takemura.</p> <ul> <li>Earthquakes at the Japan Trench subduction zone</li> <li>April 1, 2017 to March 31, 2024</li> <li>Mw of 5.2–7.0</li> </ul> <p>Data format: YYYY-MM-DD (JMA origin at JST), time (JMA origin at JST), YYYY-MM-DD<br>(JMA origin at UTC), time (JMA origin at UTC], longitude, latitude, depth, Mrr, Mtt, Mff, Mrt, Mrf, Mtf (Nm), time shift, variance reduction, Mw</p> <p>The centroid times of the SF-CMT and F-CMT solutions can be obtained by adding the time shift to the JMA origin time (columns 1 and 2, or 3 and 4).</p> <p>"SFCMT.zip" and "FCMT.zip" files include SF-CMT and F-CMT solutions for the earthquakes and station lists.</p> <p> </p> <p>Manuscript DOI: <a href="https://doi.org/10.1029/2024JB029944">10.1029/2024JB029944</a></p> <p>For more information, please contact the creator.</p>
Data from the manuscript "Is the 2010 Maule Earthquake a repeating earthquake? Rupture heterogeneities and their impact on ground motion, landslides and cortical faults in Subduction Zones. "
<p>MATLAB data and codes used for the manuscript are provided. These calculate ground motion from a heterogeneous rupture, similar to the approach used in Venegas-Aravena (2024). The rupture simulation can be performed using the 'HE_B rupture.mat' code, which implements the Heterogeneous Energy-Based method (Venegas-Aravena, 2023) to model the 2010 Mw 8.8 Maule earthquake. The code for generating ground motion, 'Displacement_field.mat', calculates near-, intermediate-, and far-field displacement fields following equations 4.32 in Aki and Richards (2002) as a summation of point sources from the earthquake rupture. The subduction geometry is included in this dataset. The code can compute displacements in rho, theta, phi, direction and in east-west, north-south, and dip directions after following code instructions. Additionally, it includes a feature to add Rayleigh waves, although this was not utilized in the 2010 Maule earthquake manuscript.<br><br>A video showing the data can be seen here: <strong>https://youtu.be/6Zf3fgb6AGc.</strong><br><br><br>References</p> <p>Aki and Richards (2002): QUANTITATIVE SEISMOLOGY, SECOND EDITION.</p> <p>Venegas-Aravena (2023): https://doi.org/10.1515/geo-2022-0522.</p> <p>Venegas-Aravena (2024): https://doi.org/10.1007/s11069-024-06651-9.<br><br></p>
Contrasting Crustal Signatures across the 2021 MS6.0 Luxian (China) Induced Earthquake Revealed by Dense Seismic and Magnetotelluric Data
<p>This is the main dataset supporting the 2021 Luxian (China) MS6.0 Earthquake paper</p> <p>MT folder contains MT data used in the inversion of the MT resistivity model and the final 3-D electrical resistivity model file (i.e., MT_resistivity.model)</p> <p>Seismic folder contains the continuous seismic waveforms (i.e., Continuous_seismic_waveforms.zip), the cross-correlation functions (i.e., Cross-correlation_Functions.zip), the final 3-D velocity model file (i.e., 3-D_VS_model.dat) and the our relocated earthquake catalogue (i.e., Relocated_earthquake_catalogue.dat)</p>
Data for "Earthquake nucleation and slip behavior altered by stochastic normal stress heterogeneity"
Open the record for dataset details and reuse information.
Earthquake Logistics in Indonesia: Twitter (X) Data
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Seismic Catalogue for Hengill 2017-2022: Handpicked earthquakes
<p>Earthquake catalogue from the Hengill high-temperature geothermal area, SW Iceland, 2017-2022: Manually refined earthquakes.</p> <p>Iceland GeoSurvey (https://isor.is/) operates a local seismic network in the Hengill area (https://www.fdsn.org/networks/detail/OR/) for ON Power (https://www.on.is/), including streaming of real time data, automatic processing and manual refining of earthquake locations. The purpose of the network is to monitor ON Power’s geothermal operations and natural geothermal activity. All waveform data and earthquake locations made with the seismic network are owned by ON Power. The network is complemented with nearby stations from the SIL national seismic network of the Icelandic Meteorological Office (https://www.vedur.is/). </p> <p>For the purpose of the study “Scattering and absorption imaging of the Hengill high-temperature geothermal area, southwest Iceland” by Napolitano et al., ON Power shares earthquake locations of ML > 0.5 between latitude: 64.02°N - 64.15°N and longitude: 21.1°W - 21.4°W. The earthquake catalogue consists of 2240 events from 2017-2022. ÍSOR manually refined both P and S phases for all 2240 events in the catalogue used for the attenuation tomography. The initial automatic SeisComP picks were generated using the SIL velocity model (Bjarnason et al., 1993), with a constant Vp/Vs ratio of 1.78. </p> <p> </p>
Supershear shock front contributions to the tsunami from the 2018 Mw 7.5 Palu earthquake
<p>Simulation data for the manuscript under review</p>
Rupture Process of the 2020 Mw7.0 Samos earthquake and its effect on surrounding active faults
<p>Here we have archived available geodetic and strong motion data that accompany the article 'Rupture Process of the 2020 Mw7.0 Samos earthquake and its effect on surrounding active faults'.</p>
Seismological dataset for 2018 West Bohemia earthquake swarm
<p>Dataset used in the study: T. Eulenfeld (2020), Toward source region tomography with inter-source interferometry: Shear wave velocity from 2018 West Bohemia swarm earthquakes, <em>Journal of Geophysical Research: Solid Earth</em>, 125, e2020JB019931, doi: <a href="https://dx.doi.org/10.1029/2020JB019931">10.1029/2020JB019931</a>.</p> <p>The dataset includes</p> <ul> <li>HYPODD pha file with relocated earthquake catalog</li> <li>HYPODD pha file with relocated earthquake catalog of selected high quality events (Eulenfeld, 2020)</li> <li>Text file with focal mechanisms of 13 largest earthquakes</li> <li>Text file with coordinates of 9 WEBNET stations</li> <li>StationXML file with coordinate and response information of 9 WEBNET stations (prepared from RESP files by T. Eulenfeld)</li> <li>MSEED files of waveforms of earthquakes</li> </ul> <p>Citation for waveforms:</p> <p>Institute of Geophysics, Academy of Sciences of the Czech Republic (1991): West Bohemia Local Seismic Network. International Federation of Digital Seismograph Networks. Dataset/Seismic Network. <a href="https://www.doi.org/10.7914/SN/WB">10.7914/SN/WB</a></p> <p>Citation for earthquake catalog:</p> <p>Bachura M, Fischer T, Doubravová J, Horálek J, From earthquake swarm to a main shock–aftershocks: the 2018 activity in West Bohemia/Vogtland (2021), <em>Geophysical Journal International</em>, 224 (33): 1835–1848, doi: <a href="https://doi.org/10.1093/gji/ggaa523">10.1093/gji/ggaa523</a></p> <p>Citation for focal mechanisms:</p> <p>Plenefisch T and Barth L (2019), The May 2018 earthquake swarm in Vogtland/NW-Bohemia: Spatiotemporal evolution and focal mechanism determinations, in Geophysical Research Abstracts, volume 21, EGU2019–9356</p> <p> </p> <p>Version 2:</p> <ul> <li>Version 1 of the data set included only waveforms for earthquakes with magnitude larger than 1.8, version 2 of the data set includes almost all waveforms for earthquakes listed in the catalog</li> <li>Added StationXML file</li> <li>Added catalog with selected high quality events</li> </ul>
Cascading impacts of earthquakes and extreme heatwaves have destroyed populations of an iconic marine foundation species
<p>Aim: Ecologists traditionally study how contemporary local processes, such as biological interactions and physical stressors, affect the distribution and abundance of organisms. By comparison, biogeographers study the distribution of the same organisms, but focus on historic, larger-scale processes that can cause mass mortalities, such as earthquakes. Here we document cascading effects of rare biogeographical (seismic) and more common ecological (temperature-related) processes on the distribution and abundances of coastal foundation species.</p> <p>Location: Intertidal wave-exposed rocky reefs around Kaikōura, New Zealand, dominated by large, long-lived, and iconic southern bull kelps (<i>Durvillaea antarctica</i> and <i>Durvillaea willana</i>).</p> <p>Methods: In November 2016, a 7.8 Mw earthquake uplifted the coastline around Kaikōura by up to 2 m, and a year later the region experienced the hottest summer on record. Extensive sampling of intertidal communities over 15 km coastline were done shortly after the earthquake and heatwaves and 4 years after the earthquake.</p> <p>Results: <i>Durvillaea</i> lost 75% of its canopy to uplift and the heatwaves reduced canopies that had survived the uplift by an additional 35%. The survey done four years after the earthquake showed that <i>Durvillaea</i> had not recovered, and that the intertidal zone in many places now was dominated by small turfs and foliose seaweed.</p> <p>Main conclusions: Cascading impacts from seismic uplift and heatwaves have destroyed populations of <i>Durvillaea</i> around Kaikōura. Surviving smaller and sparser <i>Durvillaea</i> patches will likely compromise capacity for self-replacement and lower resilience to future stressors. These results are discussed in a global biogeographical-ecological context of seismic activity and extreme heatwaves, and highlight that these events, which are not particularly rare in a geological context, may have common long-lasting ecological legacies.</p>
NLL-SSST-coherence earthquake relocation catalog for the 2019-2020 Southwest Puerto Rico earthquake sequence.
<p>CSV table of the NLL-SSST-coherence earthquake relocation catalog for the 2019-2020 Southwest Puerto Rico earthquake sequence.</p> <p>This dataset is from relocations presented in the article:<br> The 2019-2020 Southwest Puerto Rico earthquake sequence: seismicity and faulting<br> by Blaž Vičič, Seyyedmaalek Momeni, Alessandra Borghi, Anthony Lomax, and Abdelkrim Aoudia<br> published in Seismological Research Letters</p>
RSQSim Simulated Earthquake Catalog 4983, California, UCERF3 Fault System, 715kyr
<p>Simulated earthquake catalog, generated with the Rate-State Earthquake Simulator (RSQSim), described in and used by the following publication:</p> <p>Kevin R. Milner, Bruce E. Shaw, Christine A. Goulet, Keith B. Richards‐Dinger, Scott Callaghan, Thomas H. Jordan, James H. Dieterich, Edward H. Field; Toward Physics‐Based Nonergodic PSHA: A Prototype Fully Deterministic Seismic Hazard Model for Southern California. <em><em>Bulletin of the Seismological Society of America</em></em> 2021;; 111 (2): 898–915. doi: <a href="https://doi.org/10.1785/0120200216">https://doi.org/10.1785/0120200216</a></p> <p>The catalog is simulated on the UCERF3 fault system for California (<a href="https://doi.org/10.1785/0120130164">https://doi.org/10.1785/0120130164</a>), following the hybrid loading technique described in Shaw (2019) (<a href="https://doi.org/10.1785/0120180128">https://doi.org/10.1785/0120180128</a>).</p> <p><strong>File Descriptions:</strong></p> <p><strong>Catalog CSV Files:</strong><em> catalog.csv, catalog_m6.5.csv</em></p> <p>These are human-readable summary files listing each event (after skipping the first 65kyrs of model spin-up time). The "catalog_m6.5.csv" file is filtered for only M>6.5 events (those used Milner et al., 2021). Each line corresponds to an event in the catalog, and contains the following information:</p> <ul> <li>Event ID and occurrence time</li> <li>Magnitude, Moment, and Area</li> <li>Participating element information (count, average slip, long-term average slip rate)</li> <li>Hypocenter and scalar-moment centroid locations</li> <li>Rupture surface minimum and maximum depths</li> </ul> <p><strong>Geometry File (ASCII):</strong><em> geometry.flt</em></p> <p>ASCII file listing patch (triangular) geometry for the simulated faults in a UTM coordinate system (zone 11S). The primary columns are:</p> <ul> <li><em>x1, y1, z1</em> - UTM coordinates of the first vertex</li> <li><em>x2, y2, z2</em> - UTM coordinates of the second vertex</li> <li><em>x3, y3, z3</em> - UTM coordinates of the third vertex</li> <li><em>rake</em> - Direction of the motion of the hanging wall relative to the footwall (in degrees, following the convention of Aki & Richards, 2002)</li> <li><em>slip_rate</em> - Long-term average slip rate (in m/s)</li> </ul> <p>The first line in the file (excluding comment lines that start with '#') is the patch with ID=1, the second ID=2, etc. Additional metadata columns may exist in each line beyond those listed and can be ignored.</p> <p><strong>Catalog List Files (binary):<em> </em></strong><em>catalog.eList, catalog.pList, catalog.tList, catalog.dList</em></p> <p>The raw output of RSQSim includes 4 binary "list" files that define the simulated event IDs, times, and total slip in each participating patch. All 4 list files should be processed together, as the <em>N</em>-th item in one list file corresponds to the <em>N</em>-th item in each other file.</p> <p>For each patch the ruptures during an event, a value is written to each of these files giving 1) the patch number, 2) the event number, 3) the distance slipped during the event, and 4) the time of first rupture for that patch during that event.</p> <p>The format is as follows:</p> <ul> <li>catalog.eList: list of event IDs (1-based), stored as little-endian 4-byte integers</li> <li>catalog.pList: list of patch IDs (1-based), stored as little-endian 4-byte integers</li> <li>catalog.tList: list of time of first slip on each patch in each event (in seconds, relative to simulation origin time), stored as little-endian 8-byte double precision floating-point numbers</li> <li>catalog.dList: list of total slip on each patch in each event (in meters), stored as little-endian 8-byte double precision floating-point numbers</li> </ul> <p><strong>RSQSim Input File (ASCII):</strong><em> params.in</em></p> <p>Key-value pairs of RSQSim model parameters, used to originally run the simulation.</p> <p><strong>M>6.5 Rupture Slip-Time Histories (Standard Rupture Format):</strong> <em>srfs_m6.5.zip</em></p> <p>Rupture slip-time histories in the Standard Rupture Format, version 1.0 (see <a href="http://equake-rc.info/static/paper/SRF-Description-Graves_2.0.pdf">http://equake-rc.info/static/paper/SRF-Description-Graves_2.0.pdf</a>), used in Milner et al. (2021). Slip-time histories are discretized at 0.1s intervals, and represented in the WGS84 coordinate system.</p>
3-D P- and S-wave velocity (Vp and Vs) model of the Yangbi earthquake source region, as well as the travel-times of ChinArray-I
<p>3-D P- and S-wave velocity (Vp and Vs), as well as Vp/Vs ratio models of the Yangbi earthquake source region</p>
Cascading rupture process of the 2021 Maduo, China earthquake revealed by the joint inversion of seismic and geodetic data
<p>The coseismic Sentinel-1 line-of-sight (LOS) displacements, strong-motion and teleseismic waveforms used in the joint inversion of the source rupture process for the 2021 Maduo, China earthquake are included in this repository.</p>
Raw time series of GNSS sites used in the manuscript 'South China plate motion modified by 2008 Mw7.9 great Wenchuan earthquake'
<p>The *.pre.*.neu files are raw position time series before the Wenchuan earthquake (from July 2001 to December 2004) and the *.aft.*.neu files are the raw position time series after the Wenchuan earthquake (from July 2014 to December 2017). The file 'breaks' contains the epoches of breaks due to equipment changes or that are indentified visually.</p>
Raw time series of GNSS sites used in the manuscript 'South China plate motion modified by 2008 Mw7.9 great Wenchuan earthquake'
<p>The *.pre.*.neu files are raw position time series before the Wenchuan earthquake (from July 2001 to December 2004) and the *.aft.*.neu files are the raw position time series after the Wenchuan earthquake (from July 2014 to December 2017). The file 'breaks' contains the epochs of breaks due to equipment changes or that are identified visually.</p>
Improving out of network earthquake locations using prior seismicity for use in earthquake early warning
<p>relevant data and run-files related to manuscript: Improving out of network earthquake locations using prior seismicity for use in earthquake early warning</p>
The down-sampled displacements and source models of the 2021 Haiti earthquake
<p>This dataset is about the down-sampled displacements and source models applied in the study 'Imaging geodetic analysis of the 2021 M<sub>w</sub> 7.2 Nippes, Haiti earthquake: Transpressional rupture of a complex fault system'</p>
M180 Data for "Laboratory Earthquakes Simulations – Typical Events, Fault Damage, and Gouge Production"
<p>M180 Data for "Laboratory Earthquakes Simulations – Typical Events, Fault Damage, and Gouge Production"</p>
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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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.
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