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EGS Collab Experiment 1: 3D Seismic Velocity Model and Updated Microseismic Catalog from Double-Difference Seismic Tomography

Published by Oak Ridge National Laboratory | Department of Energy | Catalog Last Checked: March 23, 2026 at 09:41 PM | Dataset Last Updated: May 16, 2024 at 07:13 PM
This package contains a 3D Seismic velocity model and an updated microseismic catalog obtained for a double-difference seismic tomography study. The 3D_seismic_velocity_model text file contains x (m), y(m), z(m), P-wave velocity (km/s), P-wave velocity quality indicator (1 for well-constrained; 0 for poorly constrained), S-wave velocity (km/s), and S-wave velocity quality indicator (1 for well-constrained; 0 for poorly constrained). The Updated_MEQ_catalog text file contains event origin time, x(m), y(m), z(m), error in x (m), error in y (m), error in z (m), and RMS misfit (millisecond). The 3D_seismic_P-wave_velocity_model animation file shows slices of the 3D P-wave velocity model. The 3D_seismic_S-wave_velocity_model animation file shows slices of the 3D S-wave velocity model. The Interactive_MEQ_location_comparison HTML file is an interactive visualization of the updated microseismic event locations and the original seismic catalog. The visualization allows users to view and compare the event locations by dragging, rotating, and zooming in. An updated version of 3D_seismic_velocity_model and associated animations were included, which were calculated with a more strict assumption for quality indicators.

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Complete Metadata
@type dcat:Dataset
accessLevel public
bureauCode 
                                            [
  "019:20"
]
contactPoint 
                                            {
  "fn": "Chengping Chai",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:chaic@ornl.gov"
}
dataQuality 
                                            true
description This package contains a 3D Seismic velocity model and an updated microseismic catalog obtained for a double-difference seismic tomography study. The 3D_seismic_velocity_model text file contains x (m), y(m), z(m), P-wave velocity (km/s), P-wave velocity quality indicator (1 for well-constrained; 0 for poorly constrained), S-wave velocity (km/s), and S-wave velocity quality indicator (1 for well-constrained; 0 for poorly constrained). The Updated_MEQ_catalog text file contains event origin time, x(m), y(m), z(m), error in x (m), error in y (m), error in z (m), and RMS misfit (millisecond). The 3D_seismic_P-wave_velocity_model animation file shows slices of the 3D P-wave velocity model. The 3D_seismic_S-wave_velocity_model animation file shows slices of the 3D S-wave velocity model. The Interactive_MEQ_location_comparison HTML file is an interactive visualization of the updated microseismic event locations and the original seismic catalog. The visualization allows users to view and compare the event locations by dragging, rotating, and zooming in. An updated version of 3D_seismic_velocity_model and associated animations were included, which were calculated with a more strict assumption for quality indicators.
distribution 
                                            [
  {
    "@type": "dcat:Distribution",
    "title": "3D Seismic P-wave Velocity Model.mp4",
    "format": "mp4",
    "accessURL": "https://gdr.openei.org/files/1228/3D_seismic_P-wave_velocity_model.mp4",
    "mediaType": "application/octet-stream",
    "description": "This file is an animation showing slices of the 3D P-wave velocity model."
  },
  {
    "@type": "dcat:Distribution",
    "title": "3D Seismic P-wave Velocity Model Updated.mp4",
    "format": "mp4",
    "accessURL": "https://gdr.openei.org/files/1228/3D_seismic_P-wave_velocity_model_updated.mp4",
    "mediaType": "application/octet-stream",
    "description": "This file is an animation that shows slices of the updated 3D P-wave velocity model."
  },
  {
    "@type": "dcat:Distribution",
    "title": "3D Seismic S-wave Velocity Model.mp4",
    "format": "mp4",
    "accessURL": "https://gdr.openei.org/files/1228/3D_seismic_S-wave_velocity_model.mp4",
    "mediaType": "application/octet-stream",
    "description": "This file is an animation showing slices of the 3D S-wave velocity model."
  },
  {
    "@type": "dcat:Distribution",
    "title": "3D Seismic S-wave Velocity Model Updated.mp4",
    "format": "mp4",
    "accessURL": "https://gdr.openei.org/files/1228/3D_seismic_S-wave_velocity_model_updated.mp4",
    "mediaType": "application/octet-stream",
    "description": "This file is an animation that shows slices of the updated 3D S-wave velocity model."
  },
  {
    "@type": "dcat:Distribution",
    "title": "3D Seismic Velocity Model.csv",
    "format": "csv",
    "accessURL": "https://gdr.openei.org/files/1228/3D_seismic_velocity_model.csv",
    "mediaType": "text/csv",
    "description": "This file contains x (m), y(m), z(m), P-wave velocity (km/s), P-wave velocity quality indicator (1 for well-constrained; 0 for poorly constrained), S-wave velocity (km/s), and S-wave velocity quality indicator (1 for well-constrained; 0 for poorly constrained)."
  },
  {
    "@type": "dcat:Distribution",
    "title": "3D Seismic Velocity Model Updated.csv",
    "format": "csv",
    "accessURL": "https://gdr.openei.org/files/1228/3D_seismic_velocity_model_updated.csv",
    "mediaType": "text/csv",
    "description": "This file is an update of "3D Seismic Velocity Model". The P- and S-wave velocities are the same as those in "3D Seismic Velocity Model". The quality indicators were calculated with a more strict assumption. The file contains x (m), y(m), z(m), P-wave velocity (km/s), P-wave velocity quality indicator (1 for well-constrained; 0 for poorly constrained), S-wave velocity (km/s), and S-wave velocity quality indicator (1 for well-constrained; 0 for poorly constrained)."
  },
  {
    "@type": "dcat:Distribution",
    "title": "Interactive MEQ Location Comparison.html",
    "format": "html",
    "accessURL": "https://gdr.openei.org/files/1228/Interactive_MEQ_location_comparison.html",
    "mediaType": "text/html",
    "description": "An interactive visualization of the original and updated microseismic event locations. The visualization allows users to view and compare the event locations by dragging, rotating, and zooming in the right part. The viewpoint of left part of the visualization will match that of the right part automatically. The left part cannot be dragged, rotated or zoomed. Click a legend will switch the clicked symbols between visible and invisible."
  },
  {
    "@type": "dcat:Distribution",
    "title": "Updated MEQ Catalog.csv",
    "format": "csv",
    "accessURL": "https://gdr.openei.org/files/1228/updated_MEQ_catalog.csv",
    "mediaType": "text/csv",
    "description": "This file contains event origin time, x(m), y(m), z(m), error in x (m), error in y (m), error in z (m), and RMS misfit (millisecond)."
  }
]
DOI 10.15121/1642468
identifier https://data.openei.org/submissions/7359
issued 2020-06-01T06:00:00Z
keyword 
                                            [
  "3D",
  "3D seismic structure",
  "E1-I",
  "E1-P",
  "EGS",
  "EGS Collab",
  "MEQ",
  "P-wave",
  "S-wave",
  "SURF",
  "catalog",
  "energy",
  "geophysics",
  "geothermal",
  "interactive",
  "interactive visualization",
  "micro-earthquake",
  "microearthquake",
  "microseismic",
  "microseismic catalog",
  "modeling",
  "passive source sensor",
  "processed data",
  "seismic",
  "seismic tomography",
  "tomography",
  "velocity",
  "visualization"
]
landingPage https://gdr.openei.org/submissions/1228
license https://creativecommons.org/licenses/by/4.0/
modified 2024-05-16T19:13:07Z
programCode 
                                            [
  "019:006"
]
projectLead Lauren Boyd
projectNumber EE0032708
projectTitle EGS Collab
publisher 
                                            {
  "name": "Oak Ridge National Laboratory",
  "@type": "org:Organization"
}
spatial 
                                            "{"type":"Polygon","coordinates":[[[-103.7577,44.3488],[-103.7465,44.3488],[-103.7465,44.3544],[-103.7577,44.3544],[-103.7577,44.3488]]]}"
title EGS Collab Experiment 1: 3D Seismic Velocity Model and Updated Microseismic Catalog from Double-Difference Seismic Tomography

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