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夏县地震台南山底短水准形变与震源机制解对应关系探讨.docx

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夏县地震台南山底短水准形变与震源机制解对应关系探讨 Title:TheCorrelationbetweenShort-WavelengthTiltDeformationatNanshanandSourceMechanismAnalysisinXiàCountySeismicStation Abstract: Thispaperaimstoinvestigatetherelationshipbetweenshort-wavelengthtiltdeformationobservedatNanshaninXiàCountyandthecorrespondingsourcemechanismanalysis.WeanalyzethedatacollectedfromtheseismicstationinXiàCountyandprovideacomprehensivediscussiononthepotentialcausesofthisdeformation.Bycorrelatingtheobserveddeformationwiththeseismicsourcemechanism,weaimtoenhanceourunderstandingofthelocalseismicactivityanditspossibleimplicationsforseismichazardassessmentintheregion. 1.Introduction XiàCountyislocatedinaseismicallyactiveregion,makingitcrucialtomonitorandanalyzeanydeformationsignals.Theshort-wavelengthtiltdeformationobservedatNanshanprovidesvaluableinsightsintotheseismicactivityinthearea.Inthisstudy,weaimtoinvestigatetherelationshipbetweentheobservedtiltdeformationandtheseismicsourcemechanisminordertoenhanceourunderstandingofthelocalseismicity. 2.Methodology Inordertocarryoutthisstudy,wefirstcollectedtheshort-wavelengthtiltdeformationdatarecordedatNanshaninXiàCounty.Weanalyzedthedataandidentifiedanynoticeablepatternsoranomalies.WethencomparedthedeformationpatternswiththeseismicsourcemechanismobtainedfromtheseismicstationinXiàCounty.Thisanalysishelpsusestablishthepossiblerelationshipbetweentheobserveddeformationandtheseismicactivity. 3.TiltDeformationAnalysis Theanalysisoftheshort-wavelengthtiltdeformationdataatNanshanrevealsseveralinterestingfindings.Firstly,weobserveperiodicvariationsinthetiltdeformation,suggestingapossibleconnectionwithregionaltectonicprocesses.Secondly,theamplitudeandfrequencyofthedeformationhaveshownvariationsovertime,indicatingvaryingintensityofseismicactivity.Thirdly,wefoundthatthetiltdeformationtendstooccurpriortomajorseismiceventsintheregion,suggestingitcouldserveasanearly-warningsignal. 4.SourceMechanismAnalysis ByanalyzingtheseismicsourcemechanismdataobtainedfromtheseismicstationinXiàCounty,weaimt