Dynamic earthquake triggering as a well-documented phenomenon can provide valuable information for studying the stress loading cycle from failure on faults.In this study,seismicity rate changes were investigated in th...Dynamic earthquake triggering as a well-documented phenomenon can provide valuable information for studying the stress loading cycle from failure on faults.In this study,seismicity rate changes were investigated in the Longitudinal Valley fault(LVF)following the 2019 M_(L)5.2 Hualien earthquake,which occurred offshore in eastern Taiwan.After the matched filter technique was applied to continuous waveform data,twice as many microearthquakes were newly detected in the vicinity of the LVF compared with the number listed in the Taiwan Weather Bureau catalog.Seismicity rates in the northern segment of the LVF increased immediately following the Hualien mainshock,which indicated dynamic triggering during the passage of seismic waves.Statistical analysis suggested that following seismic events might be attributed to fault slipping or creeping.These findings show that the observation of earthquake triggering can provide valuable assistance in monitoring the stress perturbations of active faults.展开更多
ACCORDING to archaeolo-gists,as early as 5,000 yearsago the local culture ofpresent-day Fujian Provincee was calledthe Tanshishan culture.When Empe-ror Wudi of the Han Dynasty con-quered the Minyue nation,large num-be...ACCORDING to archaeolo-gists,as early as 5,000 yearsago the local culture ofpresent-day Fujian Provincee was calledthe Tanshishan culture.When Empe-ror Wudi of the Han Dynasty con-quered the Minyue nation,large num-bers of people immigrated from theCentral Plains into Fujian.After theSong and Yuan dynasties,the Mari-time Silk Road brought prosperity toQuanzhou,a major sea port in Fujian.In more recent history Fuzhou andXiamen were opened as trading portsthrough which foreign culture andWestern civilization poured in.East-展开更多
基金supported by the Fundamental Research Founds for National University,China University of Geosciences(Wuhan)(No.1910491T09)the National Natural Science Foundation of China(No.42074061).
文摘Dynamic earthquake triggering as a well-documented phenomenon can provide valuable information for studying the stress loading cycle from failure on faults.In this study,seismicity rate changes were investigated in the Longitudinal Valley fault(LVF)following the 2019 M_(L)5.2 Hualien earthquake,which occurred offshore in eastern Taiwan.After the matched filter technique was applied to continuous waveform data,twice as many microearthquakes were newly detected in the vicinity of the LVF compared with the number listed in the Taiwan Weather Bureau catalog.Seismicity rates in the northern segment of the LVF increased immediately following the Hualien mainshock,which indicated dynamic triggering during the passage of seismic waves.Statistical analysis suggested that following seismic events might be attributed to fault slipping or creeping.These findings show that the observation of earthquake triggering can provide valuable assistance in monitoring the stress perturbations of active faults.
文摘ACCORDING to archaeolo-gists,as early as 5,000 yearsago the local culture ofpresent-day Fujian Provincee was calledthe Tanshishan culture.When Empe-ror Wudi of the Han Dynasty con-quered the Minyue nation,large num-bers of people immigrated from theCentral Plains into Fujian.After theSong and Yuan dynasties,the Mari-time Silk Road brought prosperity toQuanzhou,a major sea port in Fujian.In more recent history Fuzhou andXiamen were opened as trading portsthrough which foreign culture andWestern civilization poured in.East-
