3 ▁June ▁ 1 9 4 4 ▁– ▁ 3 1 ▁October ▁ 1 9 4 4 ) ▁On ▁ 2 3 ▁June ▁ 1 9 4 4 ▁at ▁ 0 8 1 5 ▁hours , ▁smoke ▁started ▁to ▁come ▁out ▁of ▁the ▁f iss ures ▁and ▁shortly ▁after ▁a ▁huge ▁er u ption ▁followed ▁accompanied ▁by ▁a ▁th under ous ▁ro ar . ▁On ▁ 2 ▁July ▁ 1 9 4 4 , ▁the ▁er u ption ▁became ▁even ▁more ▁vig orous , ▁and ▁a ▁ph re atom ag m atic ▁er u ption ▁occurred . ▁On ▁ 7 ▁July ▁ 1 9 4 4 , ▁a ▁py ro cl astic ▁sur ge ▁accompanied ▁the ▁er u ption . ▁The ▁sur ge ▁managed ▁to ▁reach ▁the ▁northern ▁bank ▁of ▁Lake ▁T ō ya , ▁burning ▁for ests ▁and ▁houses ▁in ▁the ▁process . ▁By ▁the ▁end ▁of ▁October ▁ 1 9 4 4 , ▁Mas ao ▁M im ats u ▁recorded ▁a ▁total ▁of ▁seven ▁cr aters , ▁sevent een ▁major ▁er u ptions ▁and ▁count less ▁minor ▁ones . ▁Furthermore , ▁cent im eters ▁of ▁vol can ic ▁ash ▁from ▁the ▁er u ption ▁had ▁been ▁found ▁depos ited ▁up ▁to ▁one ▁kilometer ▁away ▁from ▁the ▁vol cano , ▁while ▁the ▁prot uber ance ▁of ▁the ▁ground ▁continued . ▁From ▁July ▁ 1 9 4 4 ▁to ▁August ▁ 1 9 4 4 , ▁the ▁prot uber ance ▁grew ▁by ▁two ▁meters ▁on ▁some ▁days . ▁ ▁Ph ase ▁ 3