The Characteristics of Recent Geodetic Deformation and Seismicity in North-South Seismic Zone and East of the Qinghai-Xizang Block

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摘要 Inthispaper,thecorrespondingrelationoftheevolutionarycharacteristicsofgeodeticdeformationfieldswithseismicactivityformorethan20yearsintheNorth-SouthseismiczoneandEastofQinghai-XizangMesshasbeeninvestigated.Notonlyisgeodeticdeformationinnon-homogeneityforthespace-timedistributionbutalsodeformationfieldsareinmacroscopicsimilarityfortheidenticaltimeinterval.Theinheritedtectonicmovementisatotaltendencyofrecentcrustalmovement,andthemotionmodeisinundulations.Therearestagesofaccumulationandrelease-adjustingofstrainenergyincrustalmovementprocesses,whichmaybethedynamicmechanismofrelativelyquietandactiveseismicity.Theanalysisofthecrustalmovementtendencysince1991isofsomesignificanceforjudgingthestressstateandthelargeseismicsituationinthearea.
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机构地区 不详
出版日期 1998年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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