<codeBook xmlns="ddi:codebook:2_5" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="ddi:codebook:2_5 https://ddialliance.org/Specification/DDI-Codebook/2.5/XMLSchema/codebook.xsd" version="2.5"><docDscr><citation><titlStmt><titl>Impact of Fault-Normal Stiffness on Frictional Slip Instability in Induced Seismicity</titl><IDNo agency="DOI">doi:10.7910/DVN/FO6IC8</IDNo></titlStmt><distStmt><distrbtr source="archive">Harvard Dataverse</distrbtr><distDate>2026-03-13</distDate></distStmt><verStmt source="archive"><version date="2026-03-15" type="RELEASED">3</version></verStmt><biblCit>Sun, Zihan, 2026, "Impact of Fault-Normal Stiffness on Frictional Slip Instability in Induced Seismicity", https://doi.org/10.7910/DVN/FO6IC8, Harvard Dataverse, V3</biblCit></citation></docDscr><stdyDscr><citation><titlStmt><titl>Impact of Fault-Normal Stiffness on Frictional Slip Instability in Induced Seismicity</titl><IDNo agency="DOI">doi:10.7910/DVN/FO6IC8</IDNo></titlStmt><rspStmt><AuthEnty affiliation="Liaoning University, Shenyang, China">Sun, Zihan</AuthEnty></rspStmt><prodStmt/><distStmt><distrbtr source="archive">Harvard Dataverse</distrbtr><contact affiliation="Liaoning University, Shenyang, China" email="sunzihan20180313@126.com">Sun, Zihan</contact><depositr>Sun, Zihan</depositr><depDate>2026-03-11</depDate></distStmt><holdings URI="https://doi.org/10.7910/DVN/FO6IC8"/></citation><stdyInfo><subject><keyword xml:lang="en">Earth and Environmental Sciences</keyword><keyword xml:lang="en">Engineering</keyword><keyword xml:lang="en">Mathematical Sciences</keyword></subject><abstract>Data and simulation results for the numerical models of "Impact of Fault-Normal Stiffness on Frictional Slip Instability in Induced Seismicity".</abstract><sumDscr/></stdyInfo><method><dataColl><sources/></dataColl><anlyInfo/></method><dataAccs><setAvail/><useStmt/><notes type="DVN:TOU" level="dv">&lt;a href="http://creativecommons.org/publicdomain/zero/1.0">CC0 1.0&lt;/a></notes></dataAccs><othrStdyMat/></stdyDscr><otherMat ID="f13596753" URI="https://dataverse.harvard.edu/api/access/datafile/13596753" level="datafile"><labl>Figure 10. Comparison of fault critical stiffness evolution under three different well shut-in scenarios.xlsx</labl><txt>Figure 10. Comparison of fault critical stiffness evolution under three different well shut-in scenarios. (a) Injected volume and injection rate during the shut-in period. (b) Evolution of fault critical stiffness. (c) Evolution of the fault normal stiffness component.</txt><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/vnd.openxmlformats-officedocument.spreadsheetml.sheet</notes></otherMat><otherMat ID="f13596755" URI="https://dataverse.harvard.edu/api/access/datafile/13596755" level="datafile"><labl>Figure 11. Comparison of fault critical stiffness evolution for different fault locations.xlsx</labl><txt>Figure 11. Comparison of fault critical stiffness evolution for different fault locations. (a) Evolution of fault critical stiffness. (b) Evolution of the fault normal stiffness component.</txt><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/vnd.openxmlformats-officedocument.spreadsheetml.sheet</notes></otherMat><otherMat ID="f13596757" URI="https://dataverse.harvard.edu/api/access/datafile/13596757" level="datafile"><labl>Figure 12. Evolution of fault critical stiffness incorporating the effect of the intermediate principal stress.xlsx</labl><txt>Figure 12. Evolution of fault critical stiffness incorporating the effect of the intermediate principal stress. (a) Influence of the intermediate principal stress on fault normal stiffness. (b) Evolution of fault critical stiffness and its normal stiffness component.</txt><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/vnd.openxmlformats-officedocument.spreadsheetml.sheet</notes></otherMat><otherMat ID="f13596758" URI="https://dataverse.harvard.edu/api/access/datafile/13596758" level="datafile"><labl>Figure 13. Evolution of fault critical stiffness under the influence of different fault aperture parameters.xlsx</labl><txt>Figure 13. Evolution of fault critical stiffness under the influence of different fault aperture parameters. (a) Evolution of permeability of the fault. (b) Evolution of fault critical stiffness and its normal stiffness component.</txt><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/vnd.openxmlformats-officedocument.spreadsheetml.sheet</notes></otherMat><otherMat ID="f13596741" URI="https://dataverse.harvard.edu/api/access/datafile/13596741" level="datafile"><labl>Figure 4. Evolution of Coulomb stress within the fault core during fluid injection.xlsx</labl><txt>Figure 4. Evolution of Coulomb stress within the fault core during fluid injection. (a) Evolution of normal stress, pore pressure, effective stress, and the rate of effective stress change in the fault core. (b) Variation of shear stress, peak shear strength, and the difference between them in the fault.</txt><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/vnd.openxmlformats-officedocument.spreadsheetml.sheet</notes></otherMat><otherMat ID="f13596742" URI="https://dataverse.harvard.edu/api/access/datafile/13596742" level="datafile"><labl>Figure 5. Components that affect the evolution of critical stiffness in response to fluid injection, including effective stress magnitude, r.xlsx</labl><txt>Figure 5. Components that affect the evolution of critical stiffness in response to fluid injection, including effective stress magnitude</txt><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/vnd.openxmlformats-officedocument.spreadsheetml.sheet</notes></otherMat><otherMat ID="f13596749" URI="https://dataverse.harvard.edu/api/access/datafile/13596749" level="datafile"><labl>Figure 6. Comparison of fault critical stiffness under different conditions.xlsx</labl><txt>Figure 6. Comparison of fault critical stiffness under different conditions. </txt><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/vnd.openxmlformats-officedocument.spreadsheetml.sheet</notes></otherMat><otherMat ID="f13596750" URI="https://dataverse.harvard.edu/api/access/datafile/13596750" level="datafile"><labl>Figure 7. Laboratory injection induced fault slip data, calculated critical stiffnesses and fault-normal stiffness components configuration.xlsx</labl><txt>Figure 7. Laboratory injection induced fault slip data, calculated critical stiffnesses and fault-normal stiffness components configuration.</txt><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/vnd.openxmlformats-officedocument.spreadsheetml.sheet</notes></otherMat><otherMat ID="f13596751" URI="https://dataverse.harvard.edu/api/access/datafile/13596751" level="datafile"><labl>Figure 9. Comparison of fault critical stiffness evolution under four different production strategies.xlsx</labl><txt>Figure 9. Comparison of fault critical stiffness evolution under four different production strategies.</txt><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/vnd.openxmlformats-officedocument.spreadsheetml.sheet</notes></otherMat><otherMat ID="f13598747" URI="https://dataverse.harvard.edu/api/access/datafile/13598747" level="datafile"><labl>Figure S1. Evolution of frictional parameters.xlsx</labl><txt>Figure S1. Evolution of frictional parameters (a) a, (b) b, and (c) d_c from four different shear stiffness conditions in Eijsink's experiments based on the Slip-law. The analysis of the evolution of frictional parameters demonstrates that varying normal stiffness significantly affects these frictional parameters.</txt><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/vnd.openxmlformats-officedocument.spreadsheetml.sheet</notes></otherMat><otherMat ID="f13598748" URI="https://dataverse.harvard.edu/api/access/datafile/13598748" level="datafile"><labl>Figure S2. Evolution of the difference between shear stress and peak shear strength of fault core for different production strategies.xlsx</labl><txt>Figure S2. Evolution of the difference between shear stress and peak shear strength of fault core for different production strategies</txt><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/vnd.openxmlformats-officedocument.spreadsheetml.sheet</notes></otherMat><otherMat ID="f13598749" URI="https://dataverse.harvard.edu/api/access/datafile/13598749" level="datafile"><labl>Figure S3. Evolution of the difference between shear stress and peak shear strength of fault core for three different well shut-in strategie.xlsx</labl><txt>Figure S3. Evolution of the difference between shear stress and peak shear strength of fault core for three different well shut-in strategies.</txt><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/vnd.openxmlformats-officedocument.spreadsheetml.sheet</notes></otherMat><otherMat ID="f13598750" URI="https://dataverse.harvard.edu/api/access/datafile/13598750" level="datafile"><labl>Figure S4. Evolution of the difference between shear stress and peak shear strength of fault core for three different fault locations..xlsx</labl><txt>Figure S4. Evolution of the difference between shear stress and peak shear strength of fault core for three different fault locations.</txt><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/vnd.openxmlformats-officedocument.spreadsheetml.sheet</notes></otherMat><otherMat ID="f13598856" URI="https://dataverse.harvard.edu/api/access/datafile/13598856" level="datafile"><labl>Numerical models and codes.docx</labl><txt>The numerical models and codes of "Impact of Fault-Normal Stiffness on Frictional Slip Instability in Induced Seismicity"</txt><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/vnd.openxmlformats-officedocument.wordprocessingml.document</notes></otherMat></codeBook>