学科分类
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2 个结果
  • 简介:TheMS7.0JiuzhaigouearthquakeoccurredonAugust8,2017.TheearthquakeoccurredinthevicinityoftheTazangfault,theMinjiangfaultandtheHuyafault,wherethefocalmechanismisofthestrikesliptype.Thestaticanddynamicanomaliesofthegravityfieldcanprovideimportantphysicalfieldinformationforstudyingthestructuralpropertiesofdeepcrust.Multi-scaledecompositiontechniquesareusedtoseparateBouguergravityatdifferentdepthsandgivesomeexplanationtogravityvariationsatdifferenttimespacescales.Theresultsindicatethatthewaveletmulti-scaleresultsoftheEGM2008modelandthemeasuredgravitydataareconsistent.Throughcomparativeanalysis,itisfoundthattheJiuzhaigouearthquakeoccurredinthestressenhancedregion.Thevariationofgravityfieldatdifferenttimescaleshasacertainscientificsignificanceforfurtherunderstandingpotentialearthquakerisktrend.

  • 标签: Jiuzhaigou MS7.0 EARTHQUAKE GRAVITATIONAL field WAVELET