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Filtering by: Creator Huang, Yihe (University of Michigan); De Barros, Louis (Université Côte d’Azur) Remove constraint Creator: Huang, Yihe (University of Michigan); De Barros, Louis (Université Côte d’Azur) Language MATLAB Remove constraint Language: MATLAB

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  • Seismograms of earthquake pairs in the injection experiment

    work
    Creator:
    Huang, Yihe (University of Michigan); De Barros, Louis (Université Côte d’Azur)
    Description:
    Numerous small and moderate injection-induced earthquakes have been recorded in North America, Europe and Asia. Here we present a detailed analysis about microearthquakes in an in-situ injection-induced earthquake experiment, which provides an unprecedented opportunity to investigate the mechanisms of induced earthquakes. Our analysis illuminates meter-scale earthquake sources distributed in a network of preexisting rock fractures. The majority of induced earthquakes in our analysis happened when injection pressure reached a peak, indicating a direct response of rock fractures to fluid pressure perturbation. But the relatively low ratio of stress drop to crustal strength reveals that a very small fraction of the crustal shear strength is released by earthquakes, supporting the previous notion that fluid injection induces large aseismic deformation during the experiment. and Citation for dataset: Huang, Y., De Barros, L. (2019). Seismograms of earthquake pairs in the injection experiment [Data set]. University of Michigan - Deep Blue.
    Keyword:
    Induced seismicity
    Citation to related publication:
    Huang, Y., De Barros, L., Cappa, F. (2019). Illuminating the Rupturing of Microseismic Sources in an Injection‐Induced Earthquake Experiment. Geophysical Research Letters, 46(16), 9563-9572.  https://doi.org/10.1029/2019GL083856
    Discipline:
    Science