简介：Inthisstudy,wepresentanewmethodtocomputeinternalco-seismicdeformationsofahomogeneoussphere,basedonourpreviousapproach(Dongetal.2016).Inpracticalnumericalcomputations,weconsiderastrike-slippointsourceasanexample,andcomputetheverticalco-seismicdisplacementondifferentinternalsphericalsurfaces(includingtheEarthsurface).Numericalresultsshowthattheinternalco-seismicdeformationsaregenerallylargerthanthatontheEarthsurface;especially,themaximumco-seismicdisplacementappearsaroundtheseismicsource.Theco-seismicdisplacementsareoppositeinsignfortheareasoverandbeneaththepositionoftheseismicsource.Theresultsalsoindicatethatthecurvatureeffectoftheinternaldeformationisprettylarge,andlargerthanthatontheEarthsurface.Theresultsindicatethatthedislocationtheoryforasphereisnecessaryincomputinginternalco-seismicdeformations.

简介：ThispaperreportstheinternalstructuresoftheBeichuanfaultzoneofLongmenshanfaultsystemthatcausedthe2008Wenchuanearthquake,atanoutcropinHongkou,Sichuanprovince,China.PresentworkisapartofcomprehensiveprojectofInstituteofGeology,ChinaEarthquakeAdministration,tryingtounderstanddeformationprocessesinLongmenshanfaultzonesandeventuallytoreproduceWenchuanearthquakebymodelingbasedonmeasuredmechanicalandtransportproperties.Outcropstudiescouldbeintegratedwiththoseperformedonsamplesrecoveredfromfaultzonedrilling,duringtheWenchuanEarthquakeFaultScientificDrilling(WFSD)Project,tounderstandalong-faultanddepthvariationoffaultzoneproperties.Thehangingwallsideofthefaultzoneconsistsofweakly-foliated,clayeyfaultgougeofabout1minwidthandofseveralfaultbrecciazonesof30-40mintotalwidth.Wecouldnotfindanypseudotachyliteatthisoutcrop.DisplacementduringtheWenchuanearthquakeishighlylocalizedwithinthefaultgougelayeralongnarrowerslipping-zonesofabout10to20mminwidth.Thisisanimportantconstraintforanalyzingthermalpressurization,animportantdynamicweakeningmechanismoffaults.Overlappingpatternsofstriationsonslickensidesurfacesuggestthatseismicslipatagiventimeoccurredinevennarrowerzoneofafewtoseveralmillimeters,sothatlocalizationofdeformationmusthaveoccurredwithinaslippingzoneduringcoseismicfaultmotion.Faultbrecciazonesareboundedbythinblackgougelayerscontainingamorphouscarbon.Faultgougecontainsilliteandchloriteminerals,butnotsmectite.Clayeyfaultgougenexttocoseismicslippingzonealsocontainsamorphouscarbonandsmallamountsofgraphite.ThestructuralobservationsandmineralogicaldataobtainedfromoutcropexposuresofthefaultzoneoftheWenchuanearthquakecanbecomparedwiththoseobtainedfromtheWFSD-1andWFSD-2boreholes,whichhavebeendrilledveryclosetotheHongkououtcrop.Thepresenceofcarbonandgr

简介：<正>第250号《社会团体登记管理条例》,已经1998年9月25日国务院第8次常务会议通过,现予发布,自发布之日起施行。总理朱镕基1998年10月25日社会团体登记管理条例

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