简介：Greatearthquakesoftenoccuralongornearactivefaultbelts.Thus,monitoringandresearchonfaultdeformationarequiteimportant.Methodssuchasshort-leveling,shortbaselineandintegratedmonitoringprofileacrossfaultbeltshavebeenusedtomonitorfaultactivitiesformanyyears.GNSSobservationsaremainlyusedtoobtainthehorizontalvelocityfieldinlargeareasandtostudytheactivitiesanddeformationofmajorblocks.GNSStechnologyhasbeenusedtomonitorandstudythedeformationoffaultsfromadifferentaspects.Inthispaper,someapplicationsandnewexplorationsofGNSSarediscussed.Theyare:(1)Researchandmonitoringofstrike-slipactivitiesoffaultswithGNSS.(2)ResearchandmonitoringofverticalactivitiesoffaultswithGNSS.(3)Investigatingthelawsofdeformationofblocksonthesidesoffaultzoneandsettingupstrainmodelstodeducetheactivitiesanddeformationoffaultswithrespectivemodelsandcomparethededucedresultswiththeactualmeasurementsacrossfault.Itisconcludedthatalargerdiscrepancybetweenthededucedandtheobserveddeformationindicatesastrongerinteractionbetweentheblocks,whichcanbeimportantforpredictingthelocationofastrongearthquakeandassessingseismichazard,aswellastheseismicitytrend.
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