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


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 API 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.

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Additional Info

DOE Project Name: EGS Collab
DOE Project Number: EE0032708
DOE Project Lead: Lauren Boyd
DOI: 10.15121/1642468
Last Updated: 6 months ago
Data from June, 2020
Submitted Jul 21, 2020


Oak Ridge National Laboratory



Publicly accessible License 


Chengping Chai
Oak Ridge National Laboratory
Monica Maceira
Oak Ridge National Laboratory
Hector Santos-Villalobos
Oak Ridge National Laboratory
Singanallur Venkatakrishnan
Oak Ridge National Laboratory
Martin Schoenball
Lawrence Berkeley National Laboratory
Pengcheng Fu
Lawrence Livermore National Laboratory
Clifford Thurber
University of Wisconsin-Madison Madison
Paul Schwering
Sandia National Laboratories
Hunter Knox
Pacific Northwest National Laboratory


geothermal, energy, 3D seismic structure, interactive, SURF, EGS Collab, P-wave, S-wave, microseismic catalog, seismic tomography, interactive visualization, EGS, geophysics, seismic, microseismic, tomography, velocity, microearthquake, micro-earthquake, MEQ, E1-P, E1-I, passive source sensor, 3D, modeling, visualization, catalog, processed data


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