EanigueteResearciChine
Volme22,Manper4,2008
TheStudyofPaleoearthquakeson
theWeiheFaultZone
ShiaqinJin,FengXiie,DaiWangqiang,ReJon,HXiaoniandDouM
rnc
ItisindicatedbygteriealrecordsandtheexploraterytrenchontheWeiiefaulttiattte
YaodianZhangjiawansegmentoftheWeihefiultzonehasxperiencedahistoriealearthquale
and3paleoearthquakeeventsinthepast9110a,TeNistoriealeartiquake,namey,eventIV,
carredbetween1487and1568AD。Thedateefpaleoseismicevent1i9110士90aand
theagesofeventsTandIareanknown,Thecoseamicverticaldplacementofevents1,五
,,respeetively,Theesploratorytrenchalsoindicatesthattle
、
HKeywords;WeihefaultzoneiPaleoearthquakeiCoseiqmicdisplacementiExploratorytrenchi
BiiicunVilage
INTKODUCTION
TheWeibeulanimpotanboriedallinlhemiddleparrieWeilebasin,vhicheendt
gliyalongheWeiheRiverandsalenglhf320bnTheReseanhCooponAciveFaal
SyiemamandOniosMassil,SuteScimologedBaeau1988Eeeamhbyvaios
instinions0hnsbeencaniedoutonlheecalonanddheaeiviiesfthefultfomdifeeat
viewpointsFengXije,20034,,lhemsearchnlhepciselecatonandle
anivitylevelahefiollLneosinsinadegate,jpanicolarheeaekafnowledgealouti
0TheWeihefadlcisaheygelfaltintheExplonaionand
sioicrittssesmentfaeinefaultsiXianCigpmjcelThepnjeelskgoopstudied许
diseibationandaetiiiyalongheYaodan7hang
Hqloceneetiigandpaleoseiam
ansepentbyneansofshalowwionic
Tnnony52006iony20,
PospeeimgofeRadlinUniensofWnalDocipoeandWremConmisionafChnoCootW
20001038
TeTSonryandJowpeeingTranafSanriogiclBuvanpnonineinpmgesfiraloicaloanf
aloponnnFoWeilesn17
1TieFnindmieologealandEnieeingCospealnnafCeolopandMoenlWeeoouresBafSoao
Poineeponodoirogcalanoysnsetrairroappicooreibreaposionpoiceiofeiicone
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cEescfomerDcignbniioe、WgononIydirologclanegwerpureerlene
ecepogcelaWiePowerhnI
imogclBoranefSoaniPomieeSinicgondliaionafananeGig,1990
Vome22,Namber41
pospeeiinganddallingandfoundforlheflinepaleoeanliguaheiidenceinheadeolen
wnenchnearBiiconil
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