Occurrence Probability Evaluation of the Maximum Potential Earthquake on the Faults in Zhengzhou City

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摘要 Accordingtotheresultsofestimationofthemaximumpotentialearthquakeintheprojectof"TheActiveFaultDetectionandSeismicRiskEvaluation(PhaseII)ofZhengzhouCity",theneareast-westtrendingLaoyachenfaultandShangjiefaultaredevelopedintheurbanarea.TheLaoyachenfaultwasnotactiveintheQuaternary,buttheShangjiefaultmayhavethepotentialofgeneratingM5.0~5.5earthquakes.Inordertogettheprobabilityofoccurrenceofmaximumpotentialearthquakes,wedelineatethestatisticalareasandthepotentialsourceareasandcalculatetheseismicityparametersandthespacedistributionfunctions.OurstudyshowsthattheprobabilityofoccurrenceofanearthquakewithM≥5.0onthefaultsinZhengzhoucityis6%inthenext50yearsand11%inthenext100years.
机构地区 不详
出版日期 2013年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)