Seismic Analysis of Spatio-Temporal Fracture Generation During EGS Resource Development - Full Moment Tensors and Stress Inversion Catalogs

Abstract

This submission contains 167 full moment tensor (MT) solutions for the seismicity observed two years prior and three years post start of injection activities.

Also included are the azimuth and plunge angles for the three main stress directions sigma1, sigma 2 and sigma 3 at the Prati32 EGS demonstration site in the northwest Geysers geothermal reservoir. The data are divided into 15 time periods spanning a range of five years, including two years prior to start of injection until three years post start of injection activities.

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Additional Info

DOE Project Name: Seismic Analysis of Spatio-Temporal Fracture Generation During EGS Resource Development
DOE Project Number: EE0006766
DOE Project Lead: Lauren Boyd
DOI: 10.15121/1495389
Last Updated: over a year ago
Sep
2018
Data from September, 2018
Submitted Feb 11, 2019

Contact

Array Information Technology


Status

Publicly accessible License 

Authors

Roland Gritto
Array Information Technology
Douglas S. Dreger
UC Berkeley Seismological Laboratory
O. Sierra Boyd
UC Berkeley Seismological Laboratory
O. Sierra Boyd
Berkeley Seismological Laboratory
Douglas S. Dreger
Berkeley Seismological Laboratory

Keywords

geothermal, energy, seismic moment tensor, stress orientation, stress changes, inversion, geysers, EGS, enhanced geothermal, azimuth, plunge, mincroseismicity, injection, stimulation, reservoir, The Geysers, High Temperature Reservoir, full MT, solutions, passive, seismic, seismicity, microseismicity, monitoring, array, moment, tensor, catalog, analysis, induced, stress, Prati 32, demonstration, fracture, Spatio-Temporal, generation, resource, development, hydraulic, faulting, fault, earthquake, geophysics, geophysical

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