anal y sisofseismo-ionos p hericanomaliesinverticaltotalelectroncontentofgimforlushanearth q uake
-
-
Abstract
inthisp a p er,weanal y sedtheseismo-ionos p hericanomaliesofthevertical totaleletroncon-tentextractedfromag lobalionos p herema pdurin gthelushanearth q uakeb yado p tin gaq uartile-basedmethod.toconfirm whethertheionos p hericanomaliesassociatedwiththeearth q uake,vtecg radientsintheeastwardandnorthwarddirectionsnearthee p icenterwerefurtherexamined,andvtecdatadurin gthesamep eriodin2008-2012werecross-comp ared.theresultsshowthatthene g-ativeanomaliesdurin g18to20ap rilarep robabl ycausedb ylushanearth q uake.anal y sisofe q uatori-alanomal yneare p icentershowsthatthecrestssi g nificantl ydecreasedfiveda y sbeforetheearth-q uake,andmovedtoma g netice q uator.combinin gionos p hericne g ativeanomalieswiththemodifica-tionofthee q uatorialanomal y,wefindthattheanomalouselectricfieldg eneratedintheearth q uake.
-
-