学科分类
/ 1
1 个结果
  • 简介:TheearthresistivityandgeomagneticobservationdataoftheZcomponentfrommanystationsinnear-epicentralareasofstrongearthquakesarecombinedandcalculatedbyusingaspatiallinearitymethodandanewcharacteristicvalue,thespatiallinearitya,describingtheprecursoryfieldinnear-epicentralareaofstrongearthquake,isobtained.Theanalysisandcalculationresultsofgeoelectricandgeomagneticobservationdatapriorto8earthquakeswithM≥5.5occurringintheNorthChinaregionshowthatavalueneartheepicentralareatendstodecreasesignificantlyhalfayearbeforestrongearthquakes.

  • 标签: 强烈地震 地层电阻系数 地磁场 空间线性 短时不规则性