abnormal localization of immature precursors
average distance of precursors from the mainshock
average duration of precursors before the mainshoc
average number of precursors
Chlorophyll synthesis precursors
circulating endothelial precursors CEPs
data bank of earthquake precursors
Dendritic cell precursors
Digital data of precursors
Electric and magnetic precursors
geomagnetic precursors before earthquake