ruct ive ▁la va ▁out flow ▁on ▁the ▁upper ▁sout he astern ▁fl ank ▁between ▁September ▁ 2 0 0 4 ▁and ▁March ▁ 2 0 0 5 , ▁inten se ▁er u ptions ▁occurred ▁at ▁the ▁S out heast ▁Cr ater ▁in ▁July – Dec ember ▁ 2 0 0 6 . ▁These ▁were ▁followed ▁by ▁four ▁episodes ▁of ▁la va ▁f ount aining , ▁again ▁at ▁the ▁S out heast ▁Cr ater , ▁on ▁ 2 9 ▁March ▁ 1 1 ▁April ▁ 2 9 ▁April ▁and ▁ 7 ▁May ▁ 2 0 0 7 . ▁Ash ▁em issions ▁and ▁St rom bol ian ▁explos ions ▁started ▁from ▁a ▁vent ▁on ▁the ▁eastern ▁side ▁of ▁the ▁S out heast ▁Cr ater ▁in ▁mid - August ▁ 2 0 0 7 . ▁ ▁On ▁ 4 ▁September ▁ 2 0 0 7 , ▁a ▁major ▁episode ▁of ▁la va ▁f ount aining ▁occurred ▁from ▁the ▁new ▁vent ▁on ▁the ▁east ▁side ▁of ▁the ▁S out heast ▁Cr ater , ▁also ▁producing ▁a ▁pl ume ▁of ▁ash ▁and ▁sc oria e ▁which ▁fell ▁over ▁the ▁east ▁fl ank ▁of ▁the ▁vol cano . ▁A ▁la va ▁flow ▁travel led ▁about ▁ ▁into ▁the ▁un in hab ited ▁Valle ▁del ▁B ove . ▁This ▁er u ption ▁was ▁visible ▁far ▁into ▁the ▁pla ins ▁of ▁Sic ily , ▁ending ▁the ▁following ▁morning ▁between ▁the ▁hours ▁of ▁ 5 ▁to ▁ 7 ▁a . m . ▁local ▁time . ▁Cat ania - Font an ar