A Discussion on Fault Activity Based on Cross-fault Observations in the Capital Circle Region of China and Its Relationship with Earthquakes-中国期刊网

摘要 Inthispaper,wemadeasystematicstudyonmorethan40yearsofobservationaldataoftentemporaryfault-crossingmeasurementsitesinthecapitalcircleregionofChina.Wecalculatedhorizontalandvertica1componentsoffaultslip,andhorizontalextensionorcompressioncomponents.Consideringthetectoniccharacteristicsofthecapitalcircleregionandregionalseismicity,weanalyzedthepresentfaultactivityofthecapitalcircleregionandtherelationshipwithearthquakes.Theresultsshowthecomplexityoffaultactivityintheregion:thelevelofactivityofallfaultsislow,mostfaultsareleft-lateralstrike-slipfaults;thereislessverticalactivitythanhorizontalactivityandcrustalmovementiscontrolledbyhorizontalmovement;faultactivityandearthquakeactivityhaveacertainrelationship,regionalfaultactivityincreasesbeforeanearthquake,andfaultactivityhascertainabnormalfeaturesbeforestrongearthquakes.

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A Discussion on Fault Activity Based on Cross-fault Observations in the Capital Circle Region of China and Its Relationship with Earthquakes

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A Discussion on Fault Activity Based on Cross-fault Observations in the Capital Circle Region of China and Its Relationship with Earthquakes

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