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1 个结果
  • 简介:ThereisagoodcorrelationbetweenanomalousSchumannresonanceandseismicactivities.Pre-earthquakeanomalousSchumannresonanceisanimportantmanifestationofLAIC(Lithosphere-Atmosphere-IonosphereCoupling),whichisprobablyassociatedwithseismicionosphericdisturbance.TheobservationsystemparametersoftheYunnanSchumannresonancemonitoringstationsandtheresultsofstatisticalandseismiccasesanalysisareintroducedinthispaper.ThreedaysbeforetheMarch10,2011MS5.8Yingjiangearthquake,anomalousSchumannresonanceintheBycomponent(E-W)wasobservedbyYongshengstation,andtwodaysbeforetheLincangMS4.0earthquakeofJanuary23,2011,anomalousSchumannresonanceintheBycomponentwasdetectedbythesamestation.SpectrumanalysisresultsontheBycomponentobservationsofTonghaistationshowthatstrongdisturbanceswereobservedinspectraldensitycorrespondingtothefirstthreeSchumannresonantfrequenciesontheverydayoftheMS4.2HongheearthquakeofMay22,2011.ResearchshowsthatSchumannresonancemonitoringisafeasiblemethodforseismic-electromagneticprecursorsmonitoring.

  • 标签: 舒曼共振 异常检测 地震前 云南 地震活动 电离层耦合